Fix: Call of Duty Warzone Memory Error 0-1766

Call of Duty: Warzone is a free-to-play online battle royale game that comes with Modern Warfare and MW players can easily play the BR mode. Although it’s a great success in the gaming market, there are plenty of bugs and errors that have been reported by players across the globe. Now, the COD Warzone Memory Error 0-1766 is something that multiple Xbox and PC users have started reporting about it.

According to the reports online, affected Warzone players are either kicked out of the game or the game keeps crashing a lot. Therefore, if you’re also facing the same error, then don’t worry. It’s expected that some of the possible reasons are there such as an internet connectivity issue, background running apps, issues with game files, etc.

Fix: COD Warzone Memory Error 0-1766

Fix: COD Warzone Memory Error 0-1766

Here we’ve managed to provide you a handful of ways to easily fix this error. So, without further ado, let’s jump into the guide below.

1. Check Your Internet Connection

  • If in case, you’re one of the wired internet connection users then make sure to check whether the ethernet cable is properly connected and running well or not.
  • But if you’re facing issues with the wired connection then make sure to use Wi-Fi to check the issue.
  • If you’re already using Wi-Fi and facing issues with it then try power cycling your Wi-Fi router. Just power off the router > Unplug the power cable then wait for around 30 seconds > Finally, plug back the power cable into the router, and connect to the internet again to check for the issue.
  • Keep in mind that if multiple devices are connected to the internet then try disconnecting them or simply turn off the internet to reduce unnecessary crowd.

2. Close Running Tasks

It’s necessary to close unnecessary background running tasks on your Xbox console or PC whatsoever. This will definitely gonna improve the system performance. To do so:

For Xbox:

  • Press the Xbox button on your controller to open the menu.
  • Now, you’ll see a list of games and apps which are running in the background.
  • If a game or app is running and you don’t need it as of now, then make sure to select the game or app that you want to close.
  • Simply press the Menu button (hamburger menu icon) > Select Quit.
  • Do the same steps for every app or game that you want to close.

For PC:

  • Press Ctrl + Shift + Esc keys to open Task Manager on the PC.
  • Then make sure to click on the Processes tab > Click to select a specific task that is unnecessarily running in the background and consumes higher CPU/Memory usage.

  • Once selected, click on End Task to clear out the task.
  • You’ll need to do the same steps for every third-party task that you want to close. Make sure not to close any system services or useful ones as you may experience issues in some cases.

3. Reset Your Wi-Fi Router

You should also try performing a soft reset of your Wi-Fi Router to clear any kind of system glitch or networking cache issue (if any). Make sure to press and hold the Reset button on the router for around 30 seconds then release the button. The LED indicators on the router will stop blinking for a while and refresh automatically.


Once done, that means you’ve successfully reset your Wi-Fi router. Now, simply connect to the Wi-Fi network again and start using the internet. If required, you may need to set up the Wi-Fi password and SSID again from the router’s admin dashboard or even you may need to set up IP configuration inside the router’s wireless settings.

4. Adjust Display Settings on Xbox

  • Press the Xbox button on the Xbox controller.
  • Then make sure to move right to select the cogwheel icon and open Settings.
  • From the left pane, move down to Display & Sound.
  • Select Video output > From the Display section, you can adjust the Resolution to 1080P [Full HD].
  • Next, make sure to head over to the Advanced section then select Video modes.
  • Then uncheck the Allow 4K and Allow HDR checkboxes one by one.

Some Xbox users have mentioned that this method helped them to fix Warzone Memory Error 0-1766.

5. Clearing MAC Address on Xbox

Well, clearing your MAC address on the Xbox console should come in handy to you after rebooting it once. To do that:

  • Press the Xbox button on the controller.
  • Next, move right to select the cogwheel icon and open Settings.
  • Scroll down to find Network Settings > Select Advanced Settings.
  • Select Alternate Mac Address > Clear the Alternate Mac Address.
  • Finally, your Xbox console should restart automatically to refresh the system cache.

6. Restore Licenses on Xbox

  • Launch the ‘Settings’ option > Head over to the ‘Account Management’.
  • Select ‘Restore Your Licenses’ > Wait for some time to process it.
  • Finally, restart your Xbox console, and check if it fixes the issue or not.

7. Verify and Repair Game Files on PC

The chances are also high that somehow your installed game files are either missing or corrupted. If you’re also feeling the same then make sure to follow the steps below to easily verify and repair game files using the game launcher.

  • Launch the client and go to the Warzone page.

  • Click on the cogwheel icon > Click on Scan and Repair.
  • Wait for the scan to complete > Then relaunch the client and the Warzone game to fix the Memory Error 0-1766 completely.

8. Update Graphics Drivers on PC

It seems that updating the graphics card driver on the Windows computer can easily fix game crashes whatsoever. Sometimes an outdated graphics driver may cause such an issue which is quite common to PC users.

  • Press Windows + X keys to open the Quick Start Menu.
  • Click on Device Manager from the list.
  • Double-click on Display adapters to expand the list.
  • Now, right-click on the dedicated graphics card.

  • Select Update driver > Click on Search automatically for drivers.
  • If there is an update available, it’ll automatically download and install the update.
  • Once done, make sure to reboot your PC to apply changes.

9. Perform a Clean Boot on PC

If nothing works for you, then try performing a clean boot on the PC to fix the issue.

  • First of all, make sure to press the Windows + R keys to open the RUN dialogue box.
  • Type msconfig and then click on OK to open System Configuration.
  • Now, head over to the Services tab > Make sure to tick the checkbox of Hide all Microsoft services.
  • Then click on Disable all and it will disable the rest of the services which are shown on the list.
  • Go to the Startup tab > Click on Open Task Manager.
  • Now, make sure that you’re on the Startup tab.

  • Right-click on the programs or services that are consuming higher startup impact and select Disable.
  • Do the same thing for every third-party program or service.
  • Once done all, go back to the System Configuration window and click on Apply then OK to save changes.
  • Finally, restart your computer and check for the Warzone Memory Error 0-1766 again.

10. Reset Your Xbox Console

Please note that resetting your console will wipe out the data completely like settings, installed apps & games, etc.

  • First of all, press the Xbox button on the controller.
  • Then head over to the ‘Profile and System’ option.
  • Now, select ‘Settings’ > Select ‘System’.
  • Find out and select ‘Console Info’.

  • Select the ‘Reset Console’ option and wait for the process to complete.
  • Once done, the console will reboot automatically into the system again.
  • Sign in to the existing Xbox account and reinstall Warzone.

That’s, it guys. We assume this guide was helpful to you. For further queries, you can comment below.

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