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 command line & explorer (whatever is blocking java.exe)
• Cut all files & folders from temp folder (android-sdk\temp)
• Paste it to some other folder say (temp_old)
• Run cmd.exe (Run as administrator) and start the process again.
• If still it doesn't work, manually copy tools directory to temp folder & check.