Don't worry; we've got some solutions to help you overcome these issues. Here are a few methods to fix ArcSoft TotalMedia 3.5 license key problems:
Some users report that version or 3.5.1.199 (the final builds) have less aggressive activation checks. If you have a license key for 3.5, try installing an older 3.0 build, then upgrade. The upgrade process sometimes bypasses online checks. arcsoft totalmedia 35 license key fix
Before diving into solutions, you must understand why your license stopped working. There are four primary reasons: Don't worry; we've got some solutions to help
Do not waste hours hunting for a crack. Do not risk your PC’s security. Accept that TotalMedia 3.5 was a brilliant player for its time, but its time has passed. try installing an older 3.0 build