Windows error message (5)

Hello Peter. Just to be clear, do you mean that you downloaded AVG to repair your Windows files? If yes, I would like to let you know that Windows files cannot to repaired by AVG software. I request you to be specific about the issue that you face so that we could assist you better. Thank you. Kishore, AVG Customer Care.

I asked this question yesterday re repeated error messages due to incorrectly installed AVG update and was asked for a screen shot which I managed but couldn't send on an email as requested as it was a non return e mail. I then downloaded an AVG for windows repair file, which hasnt worked . I have just asked for a chat but the pop up didn't occur and Im not sure how to go to browser and allow it.
Sorry for the repeated requests but it is getting me down

Hello Peter. Just to be clear, do you mean that you downloaded AVG to repair your Windows files? If yes, I would like to let you know that Windows files cannot to repaired by AVG software. I request you to be specific about the issue that you face so that we could assist you better. Thank you. Kishore, AVG Customer Care.