@jmrome said:

It's working now!!! I uninstalled sketchup 2013 and deleted also aal the preferences, now I have sketchup 2008 and that works perfectly πŸ˜„

πŸ‘
since you've deleted the .plists (which is required for a true uninstall) you'll be able to update to any version of sketchup now you shouldn't see this problem again.