My interface is disapper! How i can fix it?

[#1]

Sometimes when i open Premiere Pro, the interface in the project disapper, and I couldn't do no more...

[#2]

Sometimes when i open Premiere Pro, the interface in the project disapper, and I couldn't do no more...

[#3]

[#4]

• Force Quit Pr (on a Mac) or terminate the Pr process in Task Manager (in Windows).
• Launch Pr
• Before you open any project, go to Preferences>Media Cache and delete all your cache files.
• Open your project.