How to Fix the Memory Error 0-1766 in Call of Duty

Call of Duty: Modern Warfare 2 has generated a great deal of buzz as a result of the positive buzz generated by the 2019 game, but in the end, the single-player campaign is the most disappointing part of the package, despite the positive buzz generated by the 2019 game.

Even though it has been a great success in the gaming market, players around the world have reported a number of bugs and errors. There are now multiple Xbox and PC users complaining about the COD Warzone Memory Error 0-1766.

That’s the reason why our team decided to bring up this guide. In this troubleshooting guide, we will try to help you with some fixes that can help you resolve the memory error 0-1766 in Call of Duty. Therefore, let’s get started with the guide.

Fix Memory Error 0-1766 in Call of Duty on Windows

So, here are some fixes that can easily help you resolve this annoying error code that you are getting while playing Call of Duty. Therefore, to remove this error permanently from your device, make sure to perform the fixes mentioned below:

Check Your Internet Connection

• For those using wired internet connections, make sure the ethernet cable is well-connected and functioning.
• If you’re experiencing problems with your wired connection, you should use Wi-Fi to troubleshoot.
• It might be a good idea to power cycle your WiFi router if you’re already using Wi-Fi and having problems using it. You can check for the problem again by starting the router, unplugging the power cable, and waiting for around 30 seconds. Then, plug it back in and reconnect to the internet again.
• To reduce unnecessary crowding, turn off any connected devices or simply turn off the internet if multiple devices are connected.

Restart Your Router and Modem

It is possible that the Memory Error 0-1766 occurring in Call of Duty: Warzone is caused by internet connectivity issues. Thus, Wi-Fi players should restart their routers and modems before playing. To restart a router/modem, power cycle it as follows:

1. First, unplug the router’s power cable and then the modem’s.
2. Wait a few minutes.
3. Reconnect the modem to the router.
4. Make sure all the connection lights are back on.
5. When you’re done, plug in the router again and wait for a few minutes to pass.

Reset Your Wi-Fi Router

You should also perform a soft reset of your Wi-Fi router to reset any system glitches or cache issue (if there is any). You need to hold the Reset button for around 30 seconds before releasing it.

After a while, the LEDs on the router will stop blinking and automatically refresh. Once you’ve done that, your Wi-Fi router has been successfully reset. To use the internet, simply connect to the Wi-Fi network again.

You may need to reset the Wi-Fi password and SSID in the router’s admin dashboard or even reset the IP configuration from the router’s wireless settings if necessary.

Verify and Repair Game Files on the PC

You may also find that some of the game files you installed are missing or corrupted. Using the game launcher, you can easily verify and repair game files if you’re experiencing the same issues.

• Open the Battle.net client and navigate to Warzone.
• Using the cogwheel icon, select Scan and Repair.
• Once the scan has been completed, relaunch the client and Warzone game to solve the Memory Error 0-1766.

Update Graphics Drivers on PC

It appears that updating the graphics card driver on the Windows computer can resolve any game crashes. It is quite common for PC users to experience such an issue due to outdated graphics drivers.

• To open the Quick Start Menu, press Windows + X.
• Then, from the list, select Device Manager.
• To expand the list of Display adapters, double-click on it.
• Once you have selected the dedicated graphics card, right-click it.
• Choose Update driver > Select Search Automatically for drivers.
• So, the update will be downloaded and installed automatically if there is an update available.
• Afterward, reboot your PC to apply the changes.

Close Any Unnecessary Background Apps

In Memory Error 0-1766, the RAM may be the source of the problem. You can, therefore, try to close background apps to free up RAM and other system resources. Generally, freeing up your computer’s resources before playing system-intensive games is a good habit since it allows your computer to run faster. Here are the steps for closing unneeded background programs in Windows 11:

1. Using the right-click menu, select Task Manager from the Windows taskbar.
2. From Task Manager, select Processes.
3. Click End task on the listed third-party apps.

Clean Boot Your PC

When you clean-boot Windows 11, you will remove any unnecessary startup apps and services. Even though it’s not entirely clear whether Memory Error 0-1766 is caused by program conflicts, cleaning up your system is one way to free up RAM and other resources. You can clean boot your PC by following these steps:

1. Press Win + R and enter msconfig to open MSConfig.
2. Then, under the General tab, uncheck Load startup items.
3. Select Services from the MSConfig tab.
4. Select Hide all Microsoft services if you want to hide all Microsoft services.
5. You can disable all third-party services by clicking the Disable all button.
6. Click Apply and OK to apply all the changes.
7. Once the clean boot has been configured, click Restart.

After clean booting, the Memory Error 0-1766 crash may not occur again, which means the game was previously interacting with another process or that system resources needed to be freed up. 

Reinstall Call of Duty

It might be necessary to reinstall Call of Duty: Warzone to restore all missing files if none of the above fixes work. There are a lot of things to download, but reinstalling Warzone might be your best option when your options are limited. Using the following steps, you can uninstall and reinstall the game:

1. On your PC, open Battle.net.
2. Click Warzone under All Games.
3. To access the options menu, click the Start button’s cog icon.
4. In order to uninstall the game, select Uninstall.
5. Install Warzone from your Battle.net library again. Then, check whether the Memory Error 0-1766 gets resolved. 

Disable HDR

Memory Error 0-1766 has been reported to be resolved on some PCs and TVs by disabling HDR (High Dynamic Range). However, you can also disable HDR in Windows 11 if you prefer. Xbox players are more likely to confirm that potential resolution than Windows 11 users. To disable HDR on Windows 11 PCs, follow these steps:

1. From the Start menu, select the Settings shortcut.
2. On the System tab, click Display.
3. Select HDR navigation from the menu.
4. After that, turn off the option to Use HDR.

Reset Your Xbox Console

There are many users who started reporting that they successfully fixed the Memory Error 0-1766 on Call of Duty just by resetting their Xbox Console. So, you must also try this and see if it helps:

1. To begin, press the Xbox button on the controller.
2. Go to the Profile and System option.
3. You can now select Settings > Select System.
4. Select Console Info.
5. Once the process is complete, select Reset Console.
6. Afterward, the console will restart automatically.
7. Reinstall Warzone using your Xbox account.

From Author’s Desk

So, that’s how to fix the COD Warzone Memory Error 0-1766. We hope that this guide has helped you. But, in case you need more info, comment below and let us know. 

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