Some Call of Duty: Modern Warfare players that are trying to experience the split-screen style and play couch co-op are reporting that the feature is completely broken for them. Upon the second player tries to log in the game freezes before eventually restarting,

Carve up Screen Not Working on Call of Duty Mod Warfare

Nosotros've investigated this particular issue thoroughly and we figured out that at that place are actually multiple causes why you tin await this issue to occur. Here's a listing of verified causes that might finish upward breaking the dissever-screen functionality in Call of Duty: Modern Warfare:

  • The second person is signed in – As it turns out, the majority of the fourth dimension, this problem occurs on Xbox and Playstation consoles where the second person that should participate in the split-screen session is also signed in with the console. Several afflicted users dealing with the same kind of issue have confirmed that the problem was finally fixed later on they ensured that the 2d role player is signed in at the same fourth dimension when they're added to the split up-screen lobby.
  • Game startup glitch – Proceed in mind that according to a lot of users, this trouble can also be rooted in some kind of glitch affecting the startup sequence. Several users that were too dealing with this problem have managed to ready it simply by restarting the game a couple of times.
  • Temporary data induced chance – According to some affected users, this blazon of issue can likewise be attributed to some kind of trouble caused by temporary data accumulation on your panel. If you're experiencing this problem when launching the game from terminal-gen or current-gen consoles (Xbox or Playstation), you should be able to fix the problem by initiating a power-wheel process.
  • Corrupted multiplayer packs – Nether some circumstances, y'all can look this error to occur due to some type of corruption affecting the multiplayer packs accompanying the main game on consoles. The fix, in this instance, is to but uninstall the multiplayer packs before reinstalling them.
  • Game installation inconsistency – If you lot're experiencing this issue on consoles, chances are you're dealing with a game installation inconsistency. Several users dealing with this problem have confirmed that the problem was finally fixed subsequently reinstalling the game conventionally on their consoles.
  • Conflicting MAC address – As it turns out, you tin besides put the arraign on a alien MAC accost if y'all're launching the game on an Xbox console. Several users that were also dealing with this trouble when launching separate-screen co-op sessions accept managed to ready it by clearing the currently stored MAC accost from the Advanced Settings menu.
  • Platform update broke the game – Co-ordinate to a lot of users playing the game on Xbox, this trouble started to occur from them immediately after a game update specific to Xbox consoles was installed. In this example, in that location is not a fix nonetheless. All you can do at this betoken is open a back up ticket with Activision to raise sensation nearly this outcome and hope they'll end up fixing it as shortly equally possible.
  • Crossplay is enabled on both accounts – As it turns out, ane other reason why yous can await to deal with this problem is when crossplay is enabled on both accounts that are trying to play split-screen way. Some users accept reportedly been able to featherbed this fault by ensuring that crossplay is disabled on both accounts.

Now that nosotros went over every potential cause that might exist responsible for this issue, let'south go over every fix that other users accept successfully used to gear up the problem and play the separate-screen mode of Telephone call of Duty: Mod Warfare.

1. Make sure the second person is non logged in (if applicable)

Before you move on to the other potential fixes below, you should start by deploying the nigh commonly used set up to resolve the split-screen bug with Call of Duty: Modern Warfare. This involves measuring that the 2nd account that's to participate in the split-screen gaming session is logged out when launching the game.

This fix has been reportedly been successful for a lot of users experiencing this error, particularly people facing the issue on Xbox consoles (Xbox One and Xbox Series Due south and Ten).

Note: You tin attempt to replicate this gear up on Playstation consoles too, simply we haven't been able to verify its effectiveness on Sony's consoles.

Here'southward a quick stride-by-step guide that volition help yous enforce this verified set up:

  1. Beginning things beginning, ensure that the second thespian (non the one that'southward launching COD: Modern Warfare) is not signed in. Ensure that the second controller is likewise turned off.
  2. Next, ensure that you lot are logged in with the main account (the one that holds ownership of the game) and launch Call of Duty: Modern Warfare normally. Likewise, ensure that the 2d role player controller is turned off.
  3. Before you launch a map, take the time to filter out the playlists that are not uniform with the dissever screenplay.
    Filtering playlists not compatible with split-screen play
  4. Now, turn the role player 2 controller and select the Xbox profile that y'all want to use for the 2nd histrion that's joining the split up-screen session.
    Annotation: The 2nd histrion cannot be the aforementioned Xbox profile every bit the one that's being used for role player 1.
  5. Launch the map and encounter if this allowed you to fix the problem.

In case the same kind of issue is all the same occurring, motility down to the next potential fix beneath.

ii. Restart console or PC

In instance the fix higher up didn't work in your instance, yous should proceed by troubleshooting confronting a potential issue facilitated by a startup inconsistency.

If you lot're dealing with this kind of outcome, rebooting your console or PC along with the game should fix it, as it'south been reported past a lot of affected users.

Note: Keep in mind that this is only a temporary fix and y'all should expect the issue to return at a later point in time.

Follow one of the sub-guides below to perform a organization reboot of your platform of choice earlier re-launching Call of Duty: Modern Warfare and seeing if the divide-screen problem has been fixed.

  • If you're on PC, click on the Start icon, then click on the power icon to bring up the ability carte du jour. Then, select Restart from the cluster of options available.
Restart your PC
  • If you're playing in an Xbox panel, printing and hold on to the box button (on the center of your Xbox controller to open up up the Power center). From the ability carte du jour, highlight the Restart console and confirm your selection past hitting the Restart button.
Restart the Xbox consoles

Annotation: This functioning will piece of work on both Xbox I and Xbox Series S/X consoles.

  • In case you accept this effect on PS4, press and hold on to the PS button (on your controller) before selecting power from the context menu that just appeared. From the power carte, select Restart PS4 and expect until the performance is complete.
Printing the PlayStation push button

Note: The steps to a higher place volition only piece of work on Playstation 4. If you're on PS5, follow the steps below.

  • If you're playing on Playstation 5, printing the PS button on your controller. Adjacent, from the Options Menu, admission the underlying power bill of fare. Finally, from the list of available options, select Restart PS5.
Restarting your PS5 panel

Once you manage to restart the platform that you're attempting to play COD: Modern Warfare on, launch the game again and run into if the split-screen bug have stopped occurring.

In case the same kind of issue is still ongoing, move down to the side by side potential set below.

3. Ability-bike console

As the developers confirmed themselves, this separate-screen issue can too be ultimately buried by a cache consequence. IN nigh cases, you lot tin blame the temporary files generated by this game version. Most probable, these files are preventing your panel or PC from whitelisting the connection with the game server.

You should exist able to fix the issue by ability-cycling your console or past clearing the enshroud of the game launcher on PC.

Notation: The steps that will assistance you do this will be unlike depending on which console you lot're using or if you're on PC using Steam or Battle.Net.

To make things clearer for you, we've put together a series of sub-guides that will walk you through the entire process of power-cycling your console (or immigration the cache of the Steam launcher).

Merely follow the sub-guide that treats the platform where y'all're currently playing Call of Duty: Modern Warfare on:

Power-cycle Xbox One

If you're having problem facilitating split-screen gameplay on Xbox One, you lot can use this method to articulate the system cache and hopefully resolve the result:

Note: The steps below volition aid y'all become into the 'no-ability mode before unplugging the ability cord in club to clear the currently stored cached data.

Here'south what you lot need to practice to power cycle your Xbox One:

  1. Ensure that your Xbox I console is powered on and not in hibernation way.
  2. Press and concur the power push (on your console).
    Power cycle the Xbox One console

    Note: Keep information technology pressed until the LED on the front of your panel turns itself off.

  3. Once your console no longer shows any signs of life, unplug the power cable from your Xbox console.
  4. Look for xxx seconds or more before unplugging the power cable – This volition give the ability capacitors plenty fourth dimension to articulate themselves which will serve the purpose of clearing the cached data.
  5. In one case this procedure is complete, go ahead and plug the ability brick back into your Xbox One console before you turn it back on.
  6. After the functioning is complete, launch COD: Modernistic Warfare and see if the dissever-screen issues have been stock-still.

Power-wheel Xbox Serial S/X

If you're amidst the lucky ones that manage to go their hands on the latest iteration of Microsoft'south console, yous'll be pleased to know there's an easier way to clear your console's cache. Microsoft implemented a software-based method of clearing the system cache.

Follow the instructions below to power-bike your cached information on your Xbox Series panel:

  1. Showtime things start, make certain your console is idle and not actively rendering a game in the background.
  2. Adjacent,  press the glowing Xbox button in the middle of your controller.
  3. Inside the guide men, gyre to the right to the Profile & Organization.
  4. From the next tab (Contour & System), choose Settings, then press the A button to admission them.
    Accessing the Settings card
  5. Within the Settings menu, become to the Device & Connections tab, then select Blu-Ray from the list of available options.
  6. From the Blu-Ray dedicate bill of fare, get to Persistent Storage. Next, use the Articulate Persistent Storagebutton to go rid of your current cache cluster.
    Immigration the persistent storage
  7. Reboot your console and see if the problem is stock-still past attempting to launch the divide-screen component of COD: Mod Warfare.

Power wheel Playstation iv

Opposite from Xbox Serial 10 and S, the PlayStation ecosystem doesn't have a specific card that will let you to clear the cache of your panel.

So to clean your console's system enshroud, y'all'll need to do a ability-cycling process instead to ensure that the power capacitors are tuckered and that temporary data files are permit get.

Here'due south what you take to do to get this washed:

  1. Turn on your Playstation iv panel and make sure y'all are on the home screen.
  2. Side by side, press and hold on to the power button on your console and proceed it pressed until you hear a sound queue.
    Press the Power button

    Note: Turn your panel off and ensure that you DON'T put it into Balance Mode (Hibernation Way) instead. If y'all do this, the following steps volition fail.

  3. After yous hear the audio queues and you see the light indicator on the Playstation iv console no longer blinking, unplug the power code from the back of your console.
  4. Wat for at least 30 seconds before plugging information technology back in. This is important because information technology gives the power capacitors plenty fourth dimension to drain themselves.
    Annotation: By doing this, the temporary data that is currently cached will be cleared.
  5. Start your console commonly and run into if yous are able to launch Call of Duty Mod Warfare's dissever-screen mode.

Ability Cycle Playstation five

Simply like it is on PS4, the PlayStation 5 likewise doesn't have a specific card that will allow you to clear the cache.

But like the guide above, yous'll have to do it manually (past unplugging the cord from the dorsum of your Playstation 5) afterward deploying a power-wheel procedure.

Even so, on Ps4 the procedure is slightly different every bit you'll see below:

  1. Offset by making sure that your Playstation 5 console is fully turned ON.
  2. Long printing the power push on your console until you hear a beep. Afterward you hear the audio queue, release the button wait until your panel powers down completely.
    Ability cycling PS5

    Note: Don't short press the button because you'll enter residue mode instead which volition invalidate the remaining steps below.

  3. Next, unplug the power cord from the back of your console.
  4. Wait for 2 minutes or more to ensure that you give plenty fourth dimension for the power capacitors to clear themselves.
    Note: This is what really makes your console 'forget' the cached data.
  5. Finally, plug the ability code dorsum into your Playstation v console hit the power button.
  6. Wait until the next startup sequence is consummate, then launch Phone call of Duty Modern Warfare once again and meet if you lot tin access the split-screen maps without the game restarting.

3.5. Clear cached data on Steam (PC)

If you're experiencing these split up-screen issues while launching the game through Steam, chances are it's probably due to an outcome affecting the locally buried data.

Nigh likely, Steam might have trouble recognizing that you lot actually have ownership of the game.

To prepare this event, you'll need to verify the integrity of the game files.

Here's how to clear the buried data of Battleground 2042 on Steam:

Annotation: Don't commencement with the step beneath unless y'all've ensured that your arrangement doesn't perform another intensive chore in the background (such as virus scanning, rendering, or defragmenting).

  1. Brand sure you are signed with the account that you're having bug with.
  2. Side by side, select Library from the horizontal menu at the superlative.
  3. Locate the icon related to COD: Modern Warfare inside the vertical carte on the left and right-click on it.
  4. From the context carte that merely appeared, click on Backdrop from the context menu.
    Accessing the Properties screen of COD Mod Warfare
  5. From the Properties Carte of Call of Duty Mod Warfare, choose Local files from the vertical menu on the left.
  6. Next, initiate an integrity check by clicking on the Verify integrity of game enshroud push button.
    Deploy an integrity cheque
  7. Once y'all see the confirmation prompt, click Yep and expect until the task finishes.
    Note: It's not that unusual for one or more than files to fail once this scan is initiated, then don't freak out. This is normal for nigh games.
  8. Finally, reboot your PC and come across if the event is fixed in one case the next startup is complete.

If this method didn't work for you, motion downward to the next potential fix below.

4. Reinstall multiplayer packs (Consoles Merely)

If none of the potential fixes above take worked for you, the side by side thing you should exercise is ensure that you're not actually dealing with the bundle glitch affecting  MultiPlayer Pack two and MultiPlayer Pack 3 content.

This is very mutual on Xbox Serial S, Xbox Series X, and PS5. (Consoles that allow you to partially install games)

Usually, i of those Multiplayer packs (or both) becomes corrupted when a new update is installed and upwards interfering with the stability of the game.

In this case, you can try to fix the issue by temporarily uninstalling these two problematic Multiplayer pack s from your Playstation or Xbox console before installing them back.

We've put together two potential sub-guides that volition aid you lot treat the issue regardless of your panel of choice:

Reinstall COD Multiplayer packs on Xbox Series 10 and Xbox Series S

If you're playing the game on Xbox Series S or Series S, you can enforce this fix past accessing the dedicated Manage game and add-ons carte du jour associated with Call of Duty Modern Warfare and uninstalling but the multiplayer components from the Add-ons menu.

Here's how to do this:

  1. Commencement by ensuring you are on the main dashboard of your Xbox console.
  2. Admission the Settings menu (either via the Xbox push or directly from selecting the gearbox icon on your screen).
    Admission the Settings menu on PS5
  3. Next, select My Apps & Games from the listing of available options and printing A (on your controller) to access it.
    Access the My games and apps menu
  4. From the defended menu, select Apps and expect until your library of bachelor games is fully loaded.
  5. At this indicate, it'south of import to ensure that Games is selected from the vertical card on the left.
  6. Later you do this, move over to the right-manus side pane and admission the entry associated with your Call of Duty Modern Warfare installation.
    Accessing the Call of Duty Mod Warfare installations
  7. From the side by side bill of fare, go alee and access the Manage game and add-ons menu.
    Admission the Phone call of Duty Modern Warfare
  8. From the dedicated COD: Modern Warfare bill of fare, select the chief interface at the peak of the screen to get an overview of all the game pieces.
    Call of Duty: Modern Warfare installation
  9. Starting time past unselecting everything offset to brand sure you're not deleting annihilation by error.
  10. Check the boxes associated with Call of Duty Mod Warfare – Multiplayer Pack ane and Call of Duty Modern Warfare – Multiplayer Pack 2 .
    Uninstall the 2 problematic packages
  11. Afterwards you select the two packages, follow the prompts to uninstall them from your console.
  12. Restart your panel as well, then launch the game ordinarily and install the missing multiplayer packs when prompted to exercise and then.
  13. Initiate another endeavour at launching a split-screen fashion and see if the problem is now fixed.

Reinstall COD Multiplayer packs on Playstation 5

If you're experiencing this issue on a Playstation v console, you lot tin can reinstall the packages potentially responsible for this consequence from the Games and Apps carte du jour (nether Storage).

Here's how to practice it:

  1. Start by accessing the gearbox icon (Settings) in the top-right corner of the screen.
    Access the Settings menu on PS5
  2. Inside the Settings bill of fare of your PlayStation 5 organization, access the Storage submenu.
  3. From the Storage sub-menu, choose Console Storage from the menu on the left.
  4. Next, access the Games and Apps menu from the correct-hand section of the screen.
  5. Inside the Games and Apps bill of fare, scroll downwardly through the list of installed applications and locate the entry associated with Call of Duty .
  6. When yous locate the right entry, access the Manage menu associated with the game (select information technology, and so press Ten to access information technology).
    Manage the Call of Duty menu
  7. Inside the Manage menu of COD: Modern Warfare, select Multiplayer Pack 2 and Multiplayer Pack 3 before clicking Ok to schedule them for deletion.
  8. Highlight Ok to confirm the uninstallation of the problematic Multiplayer packs, and then printing X to initiate your process.
  9. After this operation is finished, reboot your PS5 console and see if the split up-screen event is resolved once the adjacent startup is complete.

v. Reinstall the unabridged game on PC or consoles

If none of the methods to a higher place have worked for you lot, the next troubleshooting avenue you lot should explore is to take some measures confronting a potential corruption issue that is affecting the game files.

Several users that we're also unable to engage in split-screen gameplay have confirmed that reinstalling the game on their platform of choice has fixed the issue.

Keep in heed that the steps of reinstalling the game will depend on the platform that you're playing the game on.

To guide you regardless of where you're playing the game, we've created a serial of sub-guides that will guide you lot through the process of reinstalling the game.

Follow the applicable sub-guide below to reinstall Call of Duty: Modern Warfare and resolve an event related to game-file corruption:

Reinstall the game on Playstation 4

If you're experiencing this event on a Ps4 arrangement, the manner to go is to uninstall the game from the Library menu. After y'all practise this, you should do the reinstallation from the same location (but from a different tab).

Here are the instructions on doing this:

  1. Ensure that you lot are on the home screen of your PlayStation 4 organization.
  2. Next, swipe through the games that you have installed and select Telephone call of Duty: Modern Warfare.
  3. From the adjacent bill of fare, printing the Options button on your controller, and so select Delete from the context menu that just appeared.
    Delete the game
  4. Later the game is uninstalled,  get back to the home screen of your PlayStation 4 system and apply the left thumbstick on your controller to swipe left to the Library menu.
  5. With Library highlighted, press the 10 button.
    Admission the Library menu on PS4
  6. Within the Library carte, use the vertical menu on the left to select Purchased.
  7. Next, motility over to the correct-hand menu and locate the game that yous want to reinstall.
    Accessing the Purchased bill of fare
  8. From this bill of fare, select Call of Duty: Modernistic Warfare, so press the Options key and select Download from the context menu.
  9. Wait until the game is uninstalled, then launch it once again and see if the problem is at present resolved.

Reinstall the game on Playstation 5

You lot should know that Sony has revamped the operating system for Playstation 5, so the instructions for reinstalling COD: Modern Warfare will be different than on PS4.

Here'south how to reinstall Call of Duty: Modern Warfare on PS4:

  1. Start by making sure you lot are on the abode screen of your PlayStation 5 system.
  2. Side by side, use the left thumbstick (or the arrow keys) to select Call of Duty: Mod Warfare and printing the Options push on your controller.
    Printing the Options button on the DualSense controller
  3. From the context menu that just appeared, highlight Delete and confirm your pick.
    Delete Call of Duty Modern Warfare
  4. Expect until the game gets uninstalled, then  access the Game Library from the home screen of your PS5 system.
    Reinstall Call of Duty: Modern Warfare
  5. From the Your Collection menu, observe and select Call of Duty: Modern Warfare, then press the Options button once again.
  6. Use the context menu that merely appeared to select Download.
  7.  After you you lot exercise this, the game will begin installing automatically.
  8. Launch COD: Modern Warfare once again and meet if the split-screen problem is now fixed.

Reinstall the game on Xbox One or Xbox Series S / Ten

Xbox One and Xbox Series 10 pretty much share an identical Os. This ways that you can follow the steps below to reinstall Phone call of Duty: Modernistic Warfare regardless of the Xbox panel that you're on.

Here's what you lot need to do:

  1. From your Xbox controller, printing the Xbox push button and use the carte du jour on the left-paw side.
  2. Next, select My games & apps from the context carte that but appeared.
    Access the My Games and Apps
  3. Select the Games tab from the carte du jour on the left, then curl downward through your library until you discover the Call of Duty: Modern Warfare installation.
  4. With the game is selected, click the menu button on your controller to bring up the context menu.
  5. Side by side, access the Manage game and add-ons carte du jour.
    Managing Games and Add-ons
  6. From the next carte, highlight Uninstall all from the list of options on the left.
    Uninstall Call of Duty: Modernistic Warfare
  7. Confirm the operation, then await until the performance is consummate.
  8. Finally, access your Library from the dwelling screen, then access the All endemic games section and re-download Call of Duty: Modernistic Warfare .
  9. Launch the game once again and run across if the problem is at present stock-still.

Reinstall the game on PC

If you play on PC, yous need to start by uninstalling the game from the Programs and Features menu. This method should be preferred instead of doing an integrity cheque from the game launcher considering it volition too disregard any temporary files that might be contributing to this issue.

Follow the instructions below to reinstall Call of Duty: Vanguard on PC:

  1. Outset by pressing Windows cardinal + R to open upwardly a Run dialog box.
  2. Next, type 'appwiz.cpl' and press Enter to open up upwards the Programs and Features menu (on Windows x or older) or Installed apps (on Windows eleven).
    Admission the Programs and Features menu
  3. Within the Programs and Features or Installed Apps menu, wait for the entry associated with the Telephone call of Duty: Modern Warfare installation.
  4. One time y'all found it, right-click on information technology (or click on the activity icon) and so click on Uninstall to uninstall the game.
    Uninstall COD: Modern Warfare
  5. Follow the on-screen prompts to complete the installation, and then reboot your PC and wait for the side by side startup to consummate.
  6. Open the game launcher where y'all currently concur ownership of the game and reinstall COD: Mod Warfare by following the official channels.
  7. Launch the game and see if the problem is now fixed.

6. Clear your MAC accost (Xbox Consoles)

As it turns out, nosotros tin confirm that your inability to host split-screen sessions on your Xbox console can also occur due to an improper alternate MAC address. This sort of network inconsistency might prevent your console from communicating with the Xbox servers, which might trigger issues when COD: Modernistic Warfare needs to create a local game server.

This trouble is much more mutual in instances where the ISP is providing dynamic IPs. Some users that struggled with this problem have reported that they managed to bypass the situation by accessing the Network carte of their console and immigration the alternate MAC accost.

Here's a quick guide on immigration the alternate MAC address from the settings menu of your Xbox:

Annotation: The instructions below will work for both Xbox Ane and Xbox Series S / X sessions:

  1. Start past ensuring y'all are on the home screen of your Xbox menu.
  2. Next, press the Xbox button (on your controller) to open up the guide card.
  3. Side by side, navigate to the Settings icon and access the All Settings menu.
    Access the All Settings bill of fare
  4. Inside the Settings screen, go down to the Network tab and choose Network settings .
    Access the Network Settings menu
  5. Once you are inside the Network menu, admission the Advanced settings menu from the cluster of sub-menus.
    Admission the Avant-garde Settings menu
  6. In one case y'all're finally inside the Advanced settings menu, go to the Alternate Mac address .
    Accessing the Alternate MAC address settings
  7. From the Alternating Wired/Wireless MAC address menu, select Articulate and then choose Restart to utilise the changes.
    Clear the MAC accost
  8. Afterwards yous manage to successfully articulate the MAC accost, launch COD: Modern Warfare once over again and see if the problem is now fixed.

If you're still unable to initiate split-screen game modes from within the game, move down to the next method beneath.

7. Open an Activision support ticket

As it turns out, Xbox consoles accept a specific issue where a platform update ended upwards breaking some game functionality. This blazon of issue only seems to affect Xbox consoles.

Equally of at present, the problem is yet not resolved equally a lot of Xbox players (particularly Xbox One players) written report that the trouble is nevertheless non fixed equally players try to initiate divide-screen sessions in Call of Duty: Modern Warfare.

Unfortunately, there is no proper prepare for this particular issue. All you can do at this point is to help raise sensation about the consequence by opening a support ticket with Activision.

If you lot're looking for specific instructions on how to practise this, follow the instructions beneath:

  1. Start by opening up your favorite browser and accessing the home page of Activision support.
  2. Once yous're inside the correct page, ensure that you sign in with the aforementioned account that y'all're using when playing COD: Modern Warfare on your Xbox console.
    Sign in with your account
  3. Next, click on Support Options from the menu at the tiptop.
  4. Nether Support Options, click on Call of Duty: Modern Warfare from the list of games available beneath.
    Access the Modern Warfare listing
  5. Next, from the new carte du jour that just appeared, click on the platform that you're currently playing the game on.
    Select the correct platform where you play COD: Modern Warfare
  6. From the Topic section, choose Multiplayer from the list of bachelor options.
  7. In the Issue section, cull My games crashes or freezesfrom the list of options.
  8. Once you lot become redirected to the post-obit menu, scroll downward to the bottom of the folio and click on Submit a ticket.
    Submitting a ticket with Activision support
  9. Finally, add an electronic mail where yous desire to be contacted and write a detailed message explaining the result earlier clicking on Submit.

If this method is not applicable to your particular scenario, move down to the terminal potential fix below.

8. Disable Crossplay

According to a lot of users experiencing this weird issue (peculiarly console gamers), this problem tin can likewise be ultimately caused by the cross-play feature that Activision is pushing so hard. Every bit it turns out, cross-play might inhibit the split-screen feature as long as you go along it enabled within your game.

If y'all don't intendance for cross-play because you play by yourself or all your friends play on the same platform as you, you should probably exist able to preclude the 'Failed to Bring together Party (Mistake Code 3)'from actualization over again by disabling cantankerous-play connections altogether from the in-game menu.

If you have no issues disabling cross-play, follow the instructions below to acquire how to practise so:

  1. Start by loading COD: Modern Warfare (on console or PC) and wait until you pass the initial loading screen.
  2. Once you lot're at the initial home screen of the game, click on the Settings menu in the top-right corner of the screen.
  3. Inside the Settings menu, select the Account & Network tab from the ribbon menu at the top.
  4. Inside the Account & Network menu, get under Activision Account and set the toggle associated with Crossplayto OFF.
    Disable Crossplay
  5. Later on cantankerous-play has been successfully disabled, go ahead and initiate a political party once again (or bring together on) and see if the fault is at present fixed.