I recommend to have a clean Windows who work correctly and without problems

When you try to login the anti-cheat read your system and if he found anything suspicious you will not be able to log in

Some players maybe have this problems when you try to connect
[Failed to load library MHPClient.dll, error code 126]

DemonuMu Downloads Microsoft Visual pick 32 bit or 64 bit install this 2 version
Microsoft Visual C++ 2010 and Microsoft Visual C++ 2010 SP1

Supports Windows XP SP 3/Windows 7/Windows 8.1/Windows 10/Windows 11

If the tutorial did not help you and you have the same problem

You can contact me on DemonuMu Facebook and I will try to help you