Try the quick & easy first...
Go to your Finder "Go" menu hold the option key and choose Library. Then go to Preferences folder and trash these files:
Then, restart, or log out and in again.
(You will have to reset a few finder prefs the way you like them.)
Is there a way to go back to lion until they get all the bugs out of mountain lion?
Yes there is but your problem is not a bug. There are millions and millions of others who are not having any problems whatsoever with ML. The problem is almost positively an issue with your particular system.