Clear configuration data
Motion stores your license key and other preferences in a configuration folder.
Some of these files might have gotten corrupted in an update to Motion, or from Adobe which could cause Motion to work incorrectly, Users most commonly have reported the issue as "Hang on the loading screen".
By removing the configuration folder, you will get a 100% clean installation. Please note you will also lose things like saved palettes, easing curves, and tool defaults. If you would like to keep these, create a backup of the respective files in the