Editors not opening

Hi,

I’m having an issue using UE4. I can launch my project, move in my level, but when I click in the CB to edit a material, a texture a blueprint or anything else the editor window doesn’t open. Here’s a sreenshot of what I’m getting.

63696-screenshot.jpg

As you can see a process actually runs but if I click on it nothing happens

If you guys have any idea what causes this I’d be gratefull.
Please note that I’m working with someone on this and we use a shared google drive folder for our unreal project. The issue appareared as my partner opened and save our UE4 project so it’s very likely that the issue has something to do with it. I have reinstalled UE4 two times and it didn’t help. All the google drives files were alsy synced.

By the way I’m using version 4.9.2