C:\Program Files\Autodesk C:\Program Files (x86)\Autodesk C:\ProgramData\Autodesk C:\Users\%USERNAME%\AppData\Local\Autodesk C:\Users\%USERNAME%\AppData\Roaming\Autodesk C:\Users\%USERNAME%\AppData\Roaming\Autodesk\ADUT C:\ProgramData\FLEXnet (license files) C:\Users\All Users\Autodesk Open regedit.exe as Administrator and delete the following keys (export first for backup):