This looks installation issue. Please check installation. Please install latest version https://www.ansys.com/academic/free-student-products
Please install with admin privileges. If problem persist, you we may shift this to installation team.
Guidelines for Posting on Ansys Learning Forum
How to access ANSYS help links
Yeah I have install the new version and again install it. but this problem is again occurring
Let me pass it to installation team.
@Syedmuhammad Can you try renaming %APPDATA%\Ansys\vXXX to vXXX.old, replacing XXX with the version you are running.
Ansys customers with active commercial software licenses can access the
customer portal and submit support questions. You will need your active account number to register.