Cold War Multiplayer is Not Working? 5 Easy Solutions

Check how experts got thing running in no time

by Loredana Harsana
Loredana Harsana
Loredana Harsana
Managing Editor
Loredana is a passionate writer with a keen interest in PC software and technology. She started off writing about mobile phones back when Samsung Galaxy S II was... read more
Reviewed by Alex Serban
Alex Serban
Alex Serban
Windows Server & Networking Expert
After moving away from the corporate work-style, Alex has found rewards in a lifestyle of constant analysis, team coordination and pestering his colleagues. Holding an MCSA Windows Server... read more
Affiliate Disclosure
  • Even though Call Of Duty: Black Ops allows you to connect with your friends, gamers reported that Cold War multiplayer is not working.
  • It's usually due to missing game packs or your firewall conflicting with the connection.
  • To fix things, download every available pack or run the game client with administrative privileges, amongst other solutions.
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Call Of Duty: Black Ops Cold War players often reported that the multiplayer mode is not working. In most cases, the game is disconnecting or displaying connection errors. 

Since the issue has been reported by many, and in most cases, the problem seemed to be at the user’s end, troubleshooting shouldn’t be tricky. So, let’s find out how you can get things running.

Why is multiplayer not working on Cold War?

Here are a few reasons why you might be facing the issue:

  • All the content is not downloaded – One of the primary reasons you are getting the error is that all the content required for multiplayer gaming is not downloaded and is currently unavailable.
  • Bug in the current game version – Many reported Cold War multiplayer is not working after update, which points to a bug in the current version.
  • The game installation didn’t go through properly – This, too, has been a known underlying cause, and uninstalling the game and all associated files and then reinstalling it from scratch did the trick.

What can I do if the Cold War multiplayer is not working?

Before we head to the slightly complex solutions, we recommend you give these quick ones a try:

If none of these worked, the solutions listed next surely would.

1. Download all packs

As stated earlier, not having all packs installed can trigger issues and lead to multiplayer gaming not working in Cold War. Also, many users reported that their multiplayer pack was uninstalled after updating Cold War, so you may have to install it again.

download packs to fix cold war multiplayer not working

Some users reported that even a missing High-Resolution Assets pack could trigger the error, so get that as well, along with every other pack that’s listed as Install Content.

2. Run the game as an administrator

  1. Locate the game client, i.e., launcher, right-click on it and choose
  2. Navigate to the Compatibility tab, tick the checkbox for Run this program as an administrator and click on OK to save the as administrator to fix cold war multiplayer not working
  3. Once done, restart the computer and check if the error is fixed.

3. Add an exception to the firewall

  1. Press Windows + S to open the Search menu, type Allow an app through Windows Firewall, and click on the relevant search result.allow an app through Windows firewall
  2. Click on Change settings.change settings
  3. Click on Allow another app.allow another app to fix cold war multiplayer not working
  4. Now, click on Browse.browse
  5. Navigate to the folder where the launcher is stored, choose it, and then click on Open.choose app
  6. Click on Add.add
  7. Finally, make sure the checkboxes for Private and Public are checked, and then click on OK to save the changes
  8. Similarly, add Cold War to the list of exceptions to the firewall.

Expert tip:


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This is an effective way to fix things when Cold War multiplayer is not working on a Windows computer. All you have to do is add it as an exception to Windows Firewall or a third-party firewall if you are using one, and it should work.

4. Restore the license (for PlayStation)

If the Cold War multiplayer is not working on a PlayStation, restoring the license should do the trick. All you have to do is head to the Restore Licenses option in the Account Management settings.

It shouldn’t take long and won’t affect the game data or any other files on the PC. Besides, it will also fix issues with the other installed games.

5. Reinstall the game

If nothing so far has worked, your last option is to reinstall the game. This helps when the previous installation did not go through successfully, and some critical files are missing.

In case a complete reinstall does not work, some users suggest only downloading the necessary packs, i.e., the game, Multiplayer, and Zombie packs.

That’s it! With these quick and easy solutions, you should be able to fix things when Cold War multiplayer is not working, be it on Xbox, PlayStation, or Windows.

For those playing Cold War on a PC, find the best ways to optimize Windows for gaming and get the best performance.

If any other solution seems to work for you, drop it in the comments section below and help fellow Cold War players.

Still having issues? Fix them with this tool:


If the advices above haven't solved your issue, your PC may experience deeper Windows problems. We recommend downloading this PC Repair tool (rated Great on to easily address them. After installation, simply click the Start Scan button and then press on Repair All.

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