When I open Eclipse,I got a message box having particular error. So I did uninstall the Android from Android folder in LocalDisk C. After I Reinstall the Eclipse and and Replugin the ADT ,at that time it ask about Eclipse restart.When Eclipse open after restart, I have seen the same message box below.
![Eclipse Error Message Box][2]
How to solve this problem ?

First Update your ADT Plugin Go to Help and click on Check for Updates and check below link for more information.
Update ADT Plugin