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AVG Anti-Virus 8: Error ‘Invalid Update Control CTF File’ Fix

Posted on Oct 02, 2008 under Software Tips |

When trying to update AVG Anti-Virus 8, you get an error:

Invalid Update Control CTF File

To fix this problem follow these steps:

1. Navigate to:

WinXP: C:\Documents and Settings\All Users\Application Data\Avg8\update\download

Vista: C:\ProgramData\avg8\update\download

2. Delete avginfoavi.ctf and avginfowin.ctf.

Now try to update AVG again.

See also: Error “Invalid Update Control CTF File” when updating AVG Anti-Virus 8.0

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40 Comments so far »

  1. by WongFeiHung, on October 19 2008 @ 4:59 pm

     

    Thanks technipages. It worked. keep up the good work.

  2. by Peter K., on October 22 2008 @ 12:38 am

     

    Thanks for advice, it worked.
    The only thing is that I found these files in All Users.Windows instead of All Users.

  3. by k.k, on October 22 2008 @ 10:00 am

     

    Great!!! it’s working.

  4. by Fei Chin, on October 24 2008 @ 10:12 pm

     

    Thanks for the advice. It solve my problem.

  5. by Doris, on October 27 2008 @ 5:36 pm

     

    http://www.strategyonline.co.za/blog/?p=876 contains an AVG Mechanic utility that quickly fixes this problem in just seconds.

  6. by wahab shah, on October 27 2008 @ 6:08 pm

     

    heeeeey,,,thanks,it worked.

  7. by XY/H-Sapien/SSr70, on October 28 2008 @ 7:31 am

     

    Thanks Bro. It worked…

  8. by Gorah, on October 28 2008 @ 3:54 pm

     

    The navigation advice provided is excellent and has resolved the invalid update Control error

  9. by TripWagner, on October 30 2008 @ 3:56 am

     

    Thanx - Worked great!

  10. by Dante, on October 30 2008 @ 7:46 am

     

    Thanks :) That Fixed it !

  11. by aussieaim01, on November 1 2008 @ 6:44 am

     

    I also have the same problem and did delete the .ctf files and it was fine for a couple days of updating. Then it went back to error. So I deleted it, cleaned all files off my comp, rebooted and then reinstalled AVG 8.0. Again it was fine for two days and now it’s back to error. Why does it go back to error when it goes to update again after I’ve removed the .ctf files? Is there a way to have this fixed completely?

  12. by junos, on November 1 2008 @ 7:11 am

     

    excellent, work for me.

    thanks

  13. by sravab, on November 5 2008 @ 4:02 am

     

    thanks it works

  14. by BJ, on November 5 2008 @ 5:20 am

     

    Thanks, it really works..

  15. by Filipmkd, on November 12 2008 @ 5:23 pm

     

    tnx for help rly works

  16. by F1, on November 12 2008 @ 11:54 pm

     

    Thanks people! It worked like a charm

  17. by William, on November 15 2008 @ 5:43 am

     

    thx it work^^ i love u~

  18. by dwight, on November 16 2008 @ 7:37 am

     

    hi am not seeing no ctf file and am still gettin the same error

  19. by Jim, on November 20 2008 @ 7:42 am

     

    Hey.. It worked! Many thanks!!

  20. by Sajjad, on November 20 2008 @ 9:47 pm

     

    It worked for me too..!! Thanks bro

  21. by Ahmad, on November 26 2008 @ 2:16 am

     

    It worked,Thanks,But why this occurred? Some bug?

  22. by Fabian, on December 3 2008 @ 8:12 am

     

    Thanks a lot guys.
    It worked.
    keep up the good work.

  23. by R, on December 8 2008 @ 11:44 am

     

    Sorted Thanks

  24. by Riz, on December 16 2008 @ 8:11 am

     

    voila! very nice, thanks!

  25. by Vj, on December 17 2008 @ 12:12 pm

     

    Gr8… Worked fine…

  26. by Mr. iwan, on December 17 2008 @ 1:33 pm

     

    thanks… for yoursolution….

  27. by john in manchester, on December 18 2008 @ 1:11 am

     

    It worked for me!
    Thanx!

  28. by reema, on December 19 2008 @ 7:03 am

     

    it works thanx

  29. by NAVEEN, on December 19 2008 @ 5:14 pm

     

    THANKS IT WORKS &HELPS ME TO REMOVE THE OROBLEM

  30. by Rezaul, on December 21 2008 @ 10:17 am

     

    Thanks. Excellent tips n it works.

  31. by ethan, on December 21 2008 @ 3:38 pm

     

    ty guy you guys are so damn l337 TECHNIPAGES FTW :) :O w00t!

  32. by Jamike, on December 22 2008 @ 9:24 am

     

    TRhanks and God bless this is a great relief for all nigerians………….seriously

  33. by UCU HIRAWAN, on December 24 2008 @ 5:37 pm

     

    S….M….A….R….T, TX.

  34. by Akhil, on December 24 2008 @ 11:11 pm

     

    hey thanks a million… it works..

  35. by nevergiveup, on December 25 2008 @ 2:00 pm

     

    Thank you for the solution to the problem, it is greatly appreciated, will bookmark TECHNIPAGES

  36. by Jimmee, on December 28 2008 @ 3:13 pm

     

    Another thank you from another not so hotshot computer user.
    Much appreciated.

  37. by surinder, on December 29 2008 @ 7:42 am

     

    found files …but cannot be deleted…
    please help

  38. by DnL, on December 31 2008 @ 5:41 am

     

    thanks for ur tip,
    it was updated succesfully!
    bye………….

  39. by cily, on December 31 2008 @ 10:38 pm

     

    i too couldn’t locate any CTF files.
    but i tried the script from here: http://www.winhelponline.com/blog/error-invalid-update-control-ctf-file-when-updating-avg-anti-virus-80/
    and now AVG is sweet.

  40. by Nenad, on January 5 2009 @ 5:33 pm

     

    Hey..Thank you very much..It Worked :)

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