Fallout 4 - deletion of .exe

Hello Chris,
We regret for the inconvenience caused. Since you have mentioned that you can't use "Fallout 4" after using AVG FIX Performance. We would request you to revert back tha changes which made by AVG PC Tune up in your system. The following article http://support.avg.com/SupportArticleView?urlname=How-to-revert-changes-done-by-PC-TuneUp explains how to revert back the settings which made by AVG PC Tune up. If the issue persist please let us know we are here to help you.Thank you.

This lovely program decided to pop up on my screen with an alert right in the middle of me being on Facebook and I had clicked on the "Fix issue" button before I realised.  It then started to delete Fallout 4 and the .exe file.  The game is now screwed and won't load and I will probably have to do a FULL re-installation taking up to 5 hours.  Anyone had a similar experience and can offer advice.  Also how do you complain?

Hi, 


Thanks for coming back to me, I don't have PC Tune up (or if I do I've never used it) It showed up (for the second I saw it) as a virus/illegal exe on my AVG Free Anti-Virus (whichwas odd as I have ran Fallout for months without issue).  After I stopped it Fallout kept asking me to allow the launcher access to the web but then when back to the launch screen.  I am currently reinstalling Fallout anyway as AVG deleted about a dozen files from the folder before I could stop it and one of them was the repair tool so I could not repair the program,