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MU Peru Online Users
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Support | MU Online Perú

Support Center

Having trouble with the game? Here you will find clear and quick solutions to the most common issues. Click on the error you encountered or check the FAQ section.

Common Errors

Incorrect Version

Process has exited

Re-enable or reinstall your graphics card drivers.
Missing DLL

Incorrect Parameter

Your antivirus deleted main.exe. Add the game folder to your antivirus exclusions.
Unauthorized Access

GL Version

Update your PC drivers, including both CPU and GPU.
VCRUNTIME140.dll

VCRUNTIME140.dll

Download and install the Visual C++ 2015-2022 Redistributable (x86) from Microsoft. This file is required to run the game.

Frequently Asked Questions

I'm seeing square letters, can't read anything
You need to install the ARIALUNI.TTF font located in the game folder or download it here.
"Antihack Detected" appears when entering the game
Reinstall the client. This usually happens when your files differ from the official ones.
The installer is detected as a virus
Use the WinRAR Version instead and exclude the folder from antivirus.
MU closes after loading screen
Antivirus likely deleted IGC.dll or you're using a VPN. Try disabling VPN and reinstalling.
Can't click "Start Game", it's greyed out
Your connection is being blocked. Check antivirus, firewall, or malware.

Still need help?

If you didn’t find your issue here, contact us directly via Discord or email:

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