Are you having trouble playing DC Universe Online? Several users have reported the error '0x0121' that prevents them from playing DC Universe Online.
DC Universe Online is an MMORPG developed by the Daybreak Game Company. They released it on Steam for PlayStation 4, Xbox One, PlayStation 5, iOS, Xbox Series X and Series S, Microsoft Windows, and Android.
It is available in several languages, such as English, Korean, Chinese, and Japanese.
DC Universe Online is known for its graphics. Fans also know it for being an online game that is filled with different gameplays. It features character customization options, PvP elements, and even player housing.
You can play the game on your computer or mobile devices, such as smartphones and tablets.
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On this page, you will find more information about the most common causes and most relevant solutions for the DC Universe Online error '0x0121'. Do you need help straight away? Visit our support page.
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It has never been easier to solve error "0x0121".
View list of solutions Contact an expertError information
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Category
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Error code0x0121
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Similar errors-
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ProductDC Universe Online
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DeveloperDaybreak Game Company
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Operating system-
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Platform-
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First seenMay 27, 2021
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Verified-
How to solve DC Universe Online error 0x0121
We've created a list of solutions which you can follow if you want to solve this DC Universe Online problem yourself. Do you need more help? Visit our support page if you need professional support with DC Universe Online right away.
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Verified solution
Many errors can occur when you try to play DC Universe Online. One of the most common errors is 0x0121. This error occurs when you try to log into the game or when you try to access your account information.
This error can be annoying and frustrating because you cannot access the game properly.
A server error, a network error, or an issue with your computer or your internet connection can cause the problem.
You might also encounter this error if other applications are interfering with the proper functioning of DC Universe Online on your computer or malware on your computer. To fix this error, you need to try a few solutions.
Option 1: Update your graphics card drivers.
Your graphics card drivers might be out of date. You can update your graphics card drivers by downloading the latest version from the website of your graphics card manufacturer.
You can also try updating your drivers through the device manager or by searching for and installing them manually.
Option 2: Disable the Nvidia In-game overlay.
The Nvidia In-game overlay can cause DC Universe Online to crash when you try to play it. To disable this overlay, you need to go to the NVIDIA Control Panel and disable it by following these steps:
Go to Start > Control Panel > System and Security > System > Advanced system settings > Performance Information and Tools (Performance tab) > Adjust Visual Effects Settings > Uncheck Display an In-Game Overlay (Show Boxes).
Option 3: Update to the latest software version.
To fix this error, you need to update your software or update your computer’s drivers.
Option 4: Check if there are any issues with other applications on your computer that might interfere with DC Universe Online loading properly.
If there are any other applications on your computer that might interfere with DC Universe Online loading properly, try uninstalling them or try to disable them. You can also try updating your applications or installing the latest version.
If you cannot uninstall or disable any other applications on your computer, you can try to update your operating system or reinstall your operating system.
Have you found a solution yourself, but it is not in the list? Share your solution in the comments below.
