This tool does NOT fix corrupted MP4/MOV files. For that, use Wondershare Repairit.
Deactivate or activate your Filmora license without needing to re-enter a license key. Registration Fixes: filmora fixer tool
In essence, if Filmora refuses to launch, the is your first line of defense. It automates what would otherwise take hours of manual debugging. This tool does NOT fix corrupted MP4/MOV files