Windows Update: The endpoint is a duplicate (0x800706cc)

1. Start AVG

2. Click on Options

3. Click on Virus Vault

Virus Vault Windows Update: The endpoint is a duplicate (0x800706cc) endpoint

Virus Vault

 

4. Locate files located in the Windows directories (C:\Windows\) and restore them from the virus vault.

5. Reboot your system

If the problems still exist then please try a system restore point from before the problem occured.

 

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About The Author
Yuri Pustjens
Yuri Pustjens
2014, 2015 & 2016 Microsoft Most Valuable Professional Windows Yuri specializes in troubleshooting (crash analysis and devices), system resource utilisation and system performance. He is also very interested in Customer Security. Yuri can be found as Windows Community Moderator and Wiki Author on Microsoft Answers and is active on different communities all across the web.
15 Comments
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  • June 26, 2015 at 7:48 pm

    i hve uninstalled my AVG?? now is there any solution to fix it?? plz help me

    • Yuri Pustjens
      June 27, 2015 at 1:49 pm

      Hello

      If you removed AVG and you can no longer recover the file, then the only way to recover it is by doing a refresh (this will keep your files in place but will replace the Windows folder)

  • ronald
    June 17, 2015 at 9:31 am

    Thanks Yuri you save my day

  • Latha
    June 14, 2015 at 12:51 pm

    Thank you for the answer., actually deleted avg then downloaded again to solve the error.

  • g3563801
    May 15, 2015 at 4:08 pm

    TTTTTTTTTTTHHHHHHHHHHHHHHHHHHAAAAAAAAAAAAANNNNNNNNNNNNNKKKKKKKKKKKK YYYYOOOOOUUUUU MAAAAAAAAAAAAAN !!!!!!!!!!!!! <3

  • sandy
    March 12, 2015 at 6:52 pm

    Thank you yuri for your helpful support and great instructions here. i went into the virus vault and found the item from the date AVG removed the threat and asked it to be restored. The only thing I had to do extra was click on an overwrite (y or N) box for several of the servicedll files. After I restarted, my problem was solved. You saved me such headaches.

  • Christopher Bell
    November 21, 2014 at 10:21 pm

    Why can’t somebody from Microsoft of AVG just name the files, and put them somewhere for us to download them? Like MANY others, I had nothing in my vault… It’s lazy troubleshooting to suggest a restore when the issue is files that a program mistakingly marked.

  • AtWitzEnd89
    October 21, 2014 at 6:22 pm

    I also deleted my avg and lost the file … when i try system restore it just keeps going in-definitely and doesn’t load are you sure there is no program to just fix the audio?

  • William A. Sr.
    October 7, 2014 at 8:16 pm

    Thank you, thank you, thank you, I had been trying to figure this issue out for 3 days! I got headaches galore from this issue. I didn’t know what had happened, just that I downloaded an update and the next time I booted up my computer, there was no sound and my google mail would not connect. I tried everything that was suggested and nothing worked. I came across your forum about the problem being my AVG 2014. I did exactly what you said, I went into the virus vault of my AVG and found the file that showed c/windows. I restored it and rebooted my computer, even though I had to do a force shutdown, when my computer was rebooted, it was music to my ears to hear the startup melody. And my google mail started back working! God thank you!

  • Hello
    October 1, 2014 at 8:22 am

    Due to my frustration I deleted my AVG 2014 (Free), now I can’t find that quarantined file. Tried restore point option in windows but my AVG2014 is all messed up, it doesn’t open anymore. Regedit thing didn’t work either.

    • Yuri Pustjens
      October 7, 2014 at 8:18 pm

      Hello there Hello,

      Sadly enough many people have this problem and till now the only solution I found is that a restore does the job (By restore i ment Windows Refresh) since crucial system files are missing

  • Endrju
    September 27, 2014 at 8:58 pm

    Still doesn’t work. When I turn on my laptop usually there was about 5 program that start but now they gone. Sound too. I try System File Checker doesn’t work. Safe mode in 3-5 ways doesn’t work. Restore, refresh doesn’t work. My computer reboot and that is all. I’ve got important data on my hard drive I can’t format my laptop.

  • September 24, 2014 at 2:41 pm

    Thanks for this info Yuri. I had a client report this issue this morning and was able to resolve it using your instructions. Thanks for the help!

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