Quick Fix: AVG Antivirus 8.0 error message, Error: Action failed for registry key

The error message is:avg

Local machine: installation failed
Installation:
Error: Action failed for registry key HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows: creating registry key....
Error 0x80070005

The fix action is to log as the administrator, go to the registry using regedit

Navigate to 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows" key and right click to check the permissions

ensure your administrator login has full security and permission rights to this folder.  More than likely if you're receiving this AVG install error it does not and you will need to add your administrator user.

NOTE:  If you receive error messages stating you don't have rights to add users.  Please check out our NTFS guide here. As you will need to go to the advanced menu  and take ownership of the key first, before adding security rights.