Please check these following steps: 1. Check the basic functionality 1. Check are they exists mudfish.exe and mudflow.exe into `C:\Program Files (x86)\Mudfish Cloud VPN\` then run the program at Start menu instead of shortcuts Mudfish Launcher isn't working You can try to repair registry with http://www.anvisoft.com/browser-repair-tool.html if you doubt it --- The other possibly related information MUDEC_00022 MUDEC_00045 driver is not available](https://mudfish.net/forums/6/topics/46385) MUDEC_00086