I Start using the terminal or nautilus and they freeze (all the apps), the program works, but the interface is freeze, I pass my mouse on the terminal, in ccm and is freezed but the cursor act like is not freeze. I had an Ati HD 4350 with Catalyst 11.4
Originally posted by the author in the question body
I think it was the App Switcher from Compiz,and i wrote this command to restore the compiz Configuration
Then I restarted the computer and hasn't happened again so far.