Corrupted login files can cause validation loops. Resetting them forces the software to ask for your credentials again. Close all Autodesk programs.
Are you using a or a network license ?
To resolve the "There is a problem with the software license" error in 3ds Max 2023, try the following step-by-step solutions: There Is A Problem With The Software License 3ds Max 2023
Navigate to C:\Users\%USERNAME%\AppData\Local\Autodesk\3dsMax\2023 - 64bit\ENU . Rename the ENU folder to ENU_old . Corrupted login files can cause validation loops
3ds Max 2023 still relies on legacy FlexNet components for network licenses. If you use a standalone license, this still helps. Are you using a or a network license
Restart 3ds Max 2023 and try signing back into your account. 3. Restart or Change the Desktop Licensing Service
"Now, we have to force a reinstall of the licensing component. It’s not part of the main Max install; it’s a separate service. I’m sending you a link to the Autodesk License Service repair tool."