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AVG Update Failed – Invalid Update Control CTF File

Posted by cotojo on December 15, 2008

AVG continues to have problems with updating with users receiving the following message: ‘Update failed – Invalid Update Control CTF File.’

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9 Responses to “AVG Update Failed – Invalid Update Control CTF File”

  1. cotojo said

    drpaul – It is always good to know that such remedies work and resolve the problem 🙂
    Happy Holidays,

  2. drpaul said

    had the same problem with Vista. Deleted ctf files as mentioned and all is well. Thank you.

  3. cotojo said

    John – I have emailed you with further suggestions.
    Hope they help.
    Happy Holidays,

  4. John said

    i’m sorry to double post but in fact there is no update folder in my avg please a little assistance would be greatly appreciated. happy holidays again!!

  5. John said

    excuse me i tried following instruction be i cant find a download folder in avg what should i do??? thanks in advance and happy holidays.

  6. cotojo said

    Sari – You’re most welcome, pleased to hear that it solved your problem 🙂

  7. Sari said

    Thankyou so much for that…everything is updating beautifully now. 🙂

  8. cotojo said

    Vikas – Ensure that you can view hidden files and folders in Windows Explorer. If you uninstall you need to use either RevoUninstaller It’s faster and better than add / remove applet. When you run it highlight the item then select uninstall in next window select Advanced and click Next, follow prompts when uninstalled it will scan registry and drive for leftover files / folders,click + sign to expand all results and tick ONLY the bold items and follow prompts.

    Alternatively go here: AVG Page and download deleteupdatefiles.exe and follow the instuctions on the page.


  9. Vikas said

    Hi, i did as instrcucted but there where no files whats ever in the downloads folder for me to delete and i still have the upload failed CTF file problem….any ideas? I’ve uninstalled and reinstalled but no good. WIll attempt a manual update in the meantime, hope u can provide me with a solution. Cheers, V

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