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Fix Rainbow Six Siege Error 0xc000009a - gUIDE

How to Fix Rainbow Six Siege Error 0xc000009a

By
Angel Marquez
2023-04-17 09:36:41

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Learn How to Fix Rainbow Six Siege Error 0xc000009a and get back to playing your favorite online tactical shooter game. 


Rainbow Six Siege is an immensely popular online tactical shooter game developed by Ubisoft. However, like any game, it is not immune to errors and issues that may ruin your gaming experience. One of the most common errors faced by players is the Error 0xc000009a, which can be frustrating to deal with. In this blog post, we will discuss the causes of this error and provide solutions on how to fix it.

Causes of the Error


Before we dive into the solutions, let's first understand the different factors that can trigger the Error 0xc000009a:

  • Corrupted Game Files: One of the most common causes of the Error 0xc000009a is corrupted game files. This can happen due to a variety of reasons, such as incomplete downloads, failed installs, or a virus attack.
  • Outdated Drivers: Another common cause of the error is outdated or missing drivers, particularly graphics drivers. This can lead to compatibility issues with the game and cause the error.
  • Hardware Issues: Hardware issues like faulty RAM or hard drive can also trigger the Error 0xc000009a. These issues can cause the game to crash, resulting in the error.

Solutions to Fix the Error




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Now that we have identified the causes, let's look at the solutions to fix the Error 0xc000009a:

  • Verify Game Files: The first step to fixing the error is to verify the game files. This can be done by opening the Uplay or Steam client, right-clicking on Rainbow Six Siege, and selecting "Verify Game Files." This will scan and repair any corrupted game files.
  • Update Drivers: Updating drivers is another solution to fix the error. You can update the drivers manually by visiting the manufacturer's website and downloading the latest drivers. Alternatively, you can use driver update software like Driver Booster to update all your drivers automatically.
  • Disable Antivirus Software: Sometimes, antivirus software can interfere with the game and cause the error. You can try disabling your antivirus software temporarily to see if it fixes the error.
  • Reinstall the Game: If none of the above solutions work, you can try reinstalling the game. This will ensure that all the game files are fresh and not corrupted.
  • Check for Hardware Issues: If you suspect that the error is caused by hardware issues, you can run a hardware diagnostic test to identify any issues. You can use software like Memtest86 or HD Tune to test your RAM and hard drive, respectively.

Additional Tips and Tricks


In addition to the solutions mentioned above, here are some additional tips and tricks to optimize your Rainbow Six Siege gameplay:

  • Update Windows: Keeping your Windows OS up to date can fix any compatibility issues and improve overall game performance.
  • Optimize Game Settings: Adjusting the game settings can help improve performance and reduce the chances of the error occurring. You can lower the graphics settings or turn off unnecessary visual effects.
  • Use a Game Booster: Game booster software can optimize your PC's performance specifically for gaming. This can help reduce lag and prevent crashes.
  • Clean Your PC: Over time, your PC can accumulate dust and debris, which can cause hardware issues. Regularly cleaning your PC can ensure that it runs smoothly and reduce the chances of the error occurring.


In conclusion, the Error 0xc000009a can be a frustrating issue to deal with while playing Rainbow Six Siege. However, with the solutions and tips mentioned in this blog post, you should be able to fix the error and optimize your gameplay. Remember to always keep your drivers and game up to date, and perform regular maintenance on your PC. Happy gaming!



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