I turned on my Laptop and I see a message balloon saying ‘Invalid Update Control CTF File’ and it relates to my installation of AVG Antivirus Free Edition. Am thinking ‘my PC is under attack by a virus -again!’.

Then I calm down and try to deal with the problem at hand. After some time messing about with the settings, I came to the solution, that obviously works.














Here are the steps:

1. From the Tools menu, select Advanced Settings:
   
2. On the following screen, select Manage, which is found on the left hand side under Update tree:
   
3. On the right hand side press Delete temporary update files, then if everything (the deletion goes fine) went OK, then you should see the following dialogue:
   
4. Next carry out an update to finish:
   
5. End

Notes: If you find that the update failed then try steps 2-3 again, and wait some time before going on the proceeding steps.

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