When I failed to overclock using AMD Ryzen Master, my computer automatically restarted, and then AMD Ryzen Master could no longer be used, no matter how many times the software was reinstalled. How can I use AMD Ryzen Master again?
I would suggest to do a CLEAR CMOS to put back your BIOS to factory Default or Optimized defaults.
Download Microsoft Troubleshooter Install/Uninstall App and run it to remove all traces of the previous Ryzen Master in your PC.
See if that fixes your issue. If not post back any exact errors you are getting when installing or running Ryzen Master.