I can't open the extension warehouse, the 3D warehouse and the extension manager

SketchUp Pro
1

Hello, I can’t open the extension warehouse, the 3D warehouse and the extension manager.

I can’t open the extension warehouse, the 3D warehouse and the extension manager.

2

ok, so you can’t open the extension warehouse, the 3d warehouse and the extension manager ?

like what, you get white windows, or no windows at all ?
do you have 2 or more screens ?