How can i temporarly deactivate my free 2015 AVG to do a Windows "Restore"?

Will, Have a look @ this article (http://avgclick.me/TempDisableAVG).
AVG Guru

I need to do a Windows :" Reset" on my Win 7 64 bit PC to an earlier status but when I do it fails with the comment - "Reset was not completed, may be due to your anti-virus software, deactivate that software and try again" !  How do I temporarly deactivate my AVG ?

Will
Will, Have a look @ this article (http://avgclick.me/TempDisableAVG).
AVG Guru