Windows 10, IDE 1.6.7 Compilation error on Blink example

Hello,

I am using Arduino Uno, IDE 1.6.7 on Windows 10.

I am facing problem uploading Blink example.

Getting following error:

open preproc\ctags_target_for_gcc_minus_e.cpp: The process cannot access the file because it is being used by another process.
Error compiling.

My Board and Port is set correctly.