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Client not running

First of all, try to edit resolution


And also please check if there is not Webzen MuOnline client on your pc, if yes, then first uninstall Webzen via Control Panel.
After that, redownload MuPlanet and try to run.
To run the game on your computer you may require additional components of the software.



Download Microsoft .NET Framework 4

Download Microsoft Visual C++

1. Set your DEP (Data Execution Prevention) for essential Windows programs and services only
Go under My Computer > System Properties > System Protection > Advanced > Performance > Settings > Data Execution Prevention > Turn on DEP for essential Windows programs and services only

Video Guide: * Restart your computer

2. Install NET Framework and Visual C++ 2010 Redistributables. Update your PC and its drivers

3. Add MU folder to exceptions list in your Antivirus

Video Guide: AVAST GuideAVG GuideBitdefender GuideMicrosoft Security Essentials Guide

Image Guide: * Turn off bitdefender false-positive alerts

4. Disable Antivirus, Firewall and Windows Defender

Video Guide

5. Windows 10 users must install directx9 if your mu client window closes after loading bar

Windows 8/10 users must set main.exe compatibility to XP SP2 or Win 7 and Run as Administrator

Image Guide:

Download Link:

Contact us at via PM if you have problems with running game after all those steps

Download Video Drivers

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