Grisoft AVG fix: Vista error – CTF file issue

by | Kim Beasley, Social Media Marketing | 0 comments

I've been using Grisoft AVG Anti-Virus software for many years. Recently I started experiencing a problem that I couldn't seem to solve until I did some research to fix it. The error message was “Invalid Update Control CTF File” and this error wouldn't allow me to update my AVG anti-virus software.

So I researched online and thanks to WinHelpOnline.com, I am providing the solution below:

  • You need to first remove the .CTF files that are causing the problem. It's usually found at C:\Documents and Settings\All Users\Application Data\Avg8\update\download or C:\ProgramData\avg8\update\download\ (this is where I found mine for the 64-bit computer).
  • Once you locate the files (mine were avginfoavi.ctf & avginfowin.ctf) you need to select and delete them.
  • When they are deleted, you can then run the “Update Manager” again and it should update your software.

If these steps don't work for you, please visit the Grisoft AVG Help Desk for more information. Let me know if this worked for you.

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