Found a solution. Uninstall of sketchup needs to be more detailed than just dragging the app to the trash. Here's the link that explains the procedure in detail: http://sketchup.google.com/support/bin/answer.py?answer=40937

I just ran into the exact same problem and it has shut down my work for the day... NOT GOOD!!! Any further insight would be greatly appreciated!

Regards,

Bill Poole
Poolehaus Residential Design