Warzone memory error 0-1766 on Windows 10 and 11

Warzone memory error 0-1766 on Windows 10 and 11

Most Call of Duty: Warzone players have enjoyed gripping battles on that game’s Caldera map in 2022. However, a small minority of PC gamers have been ruined by Warzone’s 0-1766 memory error. . Memory Error 0-1766 is the error message for a random recurring crash issue that kicks players out of games.

As that error can recur regularly, it is something that players need to fix in order to play COD: Warzone. Is that same problem also spoiling all your fun? If so, this is how you can fix Warzone memory error 0-1766 in Windows 11 and 10.

1. Restart your router and modem

Call of Duty: Warzone memory error 0-1766 can arise due to internet connectivity issues. Therefore, it is recommended that players playing over a Wi-Fi connection restart their routers and modems.

You can reset a router/modem by powering it up like this:

  1. Unplug the power cable from the router first, and then your modem.
  2. Wait about a minute.
  3. Reconnect the modem to the router.
  4. Wait for all connection lights to come back on.
  5. Then plug the router back in and wait a few more minutes.

Please note that the instructions above are for routers that connect to Internet modems. If you have a router with a built-in modem, you will only need to unplug the router.

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2. Close any unnecessary background apps

Memory error 0-1766 will mention your RAM as a potential problem. So, you can try closing background apps to free up RAM and other system resources to see if it works. Doing it before playing a system-intensive game is a good habit in general, as it frees up your computer’s resources for better performance.

This is how you can close unnecessary background programs within Task Manager in Windows 11:

  1. Right-click somewhere along the Windows taskbar and select the Task Manager option.
  2. Then select processes at the top of Task Manager.
  3. Select the third-party apps listed there and click Final task.
  4. Scroll down the tab to find unnecessary apps under Background Programs. Close superfluous background apps listed there by selecting them and pressing Final task.

  5. Also, check if your system tray includes unnecessary third-party background apps that you can disable. You can usually close such applications by right-clicking on the tray icons and selecting the disable, exit, or exit options for them.


3. Disable HDR

Some gamers reported that disabling HDR (high dynamic range) on PCs and TVs can resolve memory error 0-1766. Xbox gamers further confirm that potential resolution, but you can also disable HDR on Windows 11. Here are the steps to disable HDR on Windows 11 PC:

  1. Open your Start menu to select the Settings shortcut from there.
  2. Select Display in you System tab.
  3. Click on the HDR Navigation option.
  4. Then turn off the use HDR option.

4. Lower the graphic resolution to 1080P

Playing Warzone at a resolution higher than 1080P (Full HD) is said to be another possible cause of the memory error 0-1766. If you play Call of Duty: Warzone on a 4K or QHD screen, lowering the resolution to 1080P could make a difference.

You can lower the system screen resolution setting as follows:

  1. hold the windows key and press me to bring out the System tab in Settings.
  2. Select the show navigation option.
  3. Then select 1920×1080 from the Screen resolution Dropdown menu.

  4. Click keep changes to confirm.

To make sure you’re playing Warzone at 1080P, check your in-game resolution settings as well. Select Options > Graphics within Warzone. then click Advanced under render resolution to verify that the game resolution is also set to 1080P there.

5. Verify Warzone files

Game crashes often occur due to corrupted or even missing game files. That’s why many game client software packages, such as Battle.net and Steam, have built-in file verification options. Running a file repair scan for Call of Duty: Warzone on Battle.net might repair some files and resolve memory error 0-1766.


This is how you can check the Warzone files:

  1. Start the Battle.net launcher software for Warzone.
  2. Click All the games and select Warzone from there.
  3. Select Options to the right of the Play button.

  4. then click scan and repair from the menu.

  5. Wait for the repair tool to finish scanning.

6. Update your PC graphics driver

Outdated or faulty graphics drivers are another common cause of a wide range of gaming errors. As Warzone has many fancy graphical effects, it is important to make sure that your PC’s GPU has the latest graphics driver installed to ensure you can play the game smoothly. Updating your GPU driver will ensure that an incompatible or faulty graphics driver is not causing the memory error 0-1766.

You can update a video card driver manually or with driver update software. Not all driver update tools will necessarily install the latest available graphics drivers. Therefore, manually download and install the latest driver for your GPU from amd either nvidia website Is the best option.


Alternatively, our guide on how to update your graphics drivers provides full details on how to update GPU drivers through different methods.

7. Clean boot your PC

Windows 11 Clean Boot will remove superfluous startup apps and services. Although it is not entirely clear if the memory error 0-1766 occurs due to program conflicts, clean booting is at least another way to free up RAM and other system resources for Call of Duty: Warzone. This is how you can clean boot your PC:

  1. Open MSConfig by pressing Win + Rentering “msconfig” and pressing Get into.
  2. Uncheck the checkbox to start of charge items in the General tab.

  3. Click Services to switch to that tab of MSConfig.
  4. To exclude important background services, select Hide all Microsoft services.

  5. press the disable all button to stop third-party services from starting Windows.
  6. Select Apply Y okay inside MSConfig.
  7. Click Restart to perform clean boot as configured.
  8. Play Call of Duty: Warzone again after a clean start.

If the memory error 0-1766 never occurs after a clean boot, that could mean that another process was previously conflicting with the game, or that you needed to free up system resources. The simple solution would be to keep your current boot configuration.

If you need to restore some startup programs, you can do so through Task Manager. Start up tab. Restore one startup item at a time to see how that affects gameplay.

8. Reinstall Call of Duty: Warzone

If none of the possible fixes for Memory Error 0-1766 above work, you may need to reinstall Call of Duty: Warzone to restore the missing files. It’s a great download, but reinstalling Warzone might be your best option when you have no other options.

You can uninstall and reinstall the game with the following steps:

  1. Open the Battle.net window on your PC.
  2. Click All the games to select Warzone.
  3. Then select the beginning button’s gear icon to bring up a menu of options.
  4. Select uninstall to delete the current game.

  5. As an optional step, it is recommended to restart Windows before reinstalling games and other software.
  6. Open Warzone in your Battle.net library again and click on the Install button.
  7. Wait hours for Warzone to download and reinstall.

Have fun playing Call of Duty: Warzone again

Warzone can be an exciting game when it doesn’t crash all the time. The above resolutions are not completely guaranteed, but there is a good chance that they will fix the Warzone memory error 0-1766 issue in most cases. Then you can play Call of Duty: Warzone without any more persistent crashes spoiling the fun.

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