2021 Pro does not open

[colin]

Could you try using the avatar in the upper right to sign out, and if that works, sign in again?

If you get errors when signing out, follow the instructions I give in this post:

Heads up: We’re making your SketchUp account more secure

I had to help someone else with this problem, and took the time to figure out where the file is on Windows. If other attempts to sign in are still failing, close SketchUp and delete login_session.dat for your SketchUp version. As an example, the login_session.dat file for 2021 on Mac is in this folder: ~/Library/Application Support/SketchUp 2021 You can get to that folder by using Go to Folder… on the Go menu in Finder, and paste in the text I gave. For Windows it’s in: %AppData%\SketchUp\S…