SDK Manager failed to install 'java.exe' locking directory

Question

I have ran into a curious error when trying to update Android SDK Tools to revision 21 from revision 20.0.3. The ADT plug-in updated p

Answer 1

Close eclipse and try again it will work.. (After closing eclipse Android SDK Manager window will not close)

or,

Just go to task manager and end the eclipse process and try again it will work..