Pinnacle Studio 25 doesn't open or crashes on start.

In most cases, resetting Pinnacle Studio to its default settings resolves the issue. 

Please follow the steps outlined below:

• Press Windows + R keys together to get Run command box.
• In the Open box, type (or copy and paste) %localappdata% and press enter key.
• Rename the Pinnacle_Studio_25 folder to Pinnacle_Studio_25.old
• Launch Pinnacle Studio 25 as administrator by right-clicking on Pinnacle Studio 25 icon then select "Run as administrator" and test

NOTE: Above steps will reset all your Library settings to default, including Watchfolders and Project Bins, and any media previously imported will need to be imported again.