George Karnos
Ansys Employee

Please see the following post at the end for a suggestion:

You can also search the forum for: System clock has been set back.

License error : NO SUITABLE FEATURE FOUND (ansys.com)

"the key error message is "System clock has been set back.". You should not change OS system clock or date.

Please refer to https://www.geoslope.support/kb/article/97-error-88-309-geostudio-system-clock-has-been-set-back/ . Hope it could work. Or reimage the OS and reinstallÂ