Step 1 :
Go in AVA folder in disk that you downloaded AVA on and go in log files
and delete all the notepad files
Step 2: Open AVA folder again and go in ¨Binaries¨ then into XIGNCODE.USA
and delete the 2 files : xigncode and xm
Step 3 : Download CCleaner from here CCleaner - PC Optimization and Cleaning - Free Download
and clean your computer then restart your computer and then your done .
If this does not work the 1st time.......... Try it again!!!