It quite frustrating that I have been searching for the "Proper Solution" for this issue, I even made a list of solution provied on this platform to figure out how to fix this issue. Unfortunately, all I have done is still in vain. The issue still around, and the similar post keep popping up.

I am a trial user, with this result, How do I convience my organisation to use the software...?

For those "Ansys Employee":
1.Chnage the name of the vxxx folder to vxxx.old in %appdata%\Ansys is not working.
2.Chagne the name of the ANSYS to ANSYS.old in %appdata% is not working.