Currently Being ModeratedJan 30, 2013 8:42 AM (in response to Kimani Peter)
Could be corrupt plist
Go to your Finder "Go" menu hold the option key and choose Library. Then go to Preferences folder and trash these files:
Relaunch the Finder. >Force Quit>Finder>Relaunch
It will rebuild the deleted plist files.
Did you ever use Lion and try putting color back in your side bar, using SIMBL plug-in?
This has been known to cause problems.MacBook Pro (15-inch Mid 2010), OS X Mountain Lion (10.8.2), 2.4GHz IntelCorei5 320GB HD 8GB RAM