AVRT.DLL corrupt or missing
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Thread: AVRT.DLL corrupt or missing

  1. April 19th, 2009, 09:03 PM #1
    anne
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    AVRT.DLL corrupt or missing

    Vista x64 premium. It shut down while playing music and would not reboot.
    I did a repair from the vista disc.
    There is no sound and a message about a corrupt or missing

    AVRT.DLL

    Anyone know how to repair this file?
    Thanks
    Gigabyte GA-MA785GMT-UD2H AM3 motherboard
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  2. April 19th, 2009, 09:41 PM #2
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    Broni
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    Go Start>Run ("Start Search" in Vista), type in:
    sfc /scannow
    Click OK (hit Enter in Vista).
    Have Windows CD/DVD handy.
    If System File Checker (sfc) will find any errors, it may ask you for the CD/DVD.
    If sfc won't find any errors in Windows XP, it'll simply quit, without any message.
    In Vista you will receive the following message: "Windows resource protection did not find any integrity violations".
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  3. April 19th, 2009, 10:52 PM #3
    anne
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    That does not work it comes up with a few messages then nothing
    Last edited by anne; April 19th, 2009 at 10:58 PM.
    Gigabyte GA-MA785GMT-UD2H AM3 motherboard
    16 GIG Ram,
    AMD FX 8350, 8 core
    2 x 1gig sata 3 ,,
    1 X 24" wide screen moniter ,
    2 x 17' secondary moniters
    1 x 21" secondary moniter
    Corsair Power
    Corsair Hydro cooler H 60
    1 x blueray burners
    Windows 8.1 x 64 Professional

    Professional DOS dummy.
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  4. April 19th, 2009, 11:16 PM #4
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    Broni
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    Go Start>Run ("Start Search" in Vista), type in:
    sfc /scannow
    Hold CTRL, and SHIFT, hit Enter.
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  6. April 20th, 2009, 10:29 AM #5
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    SuperSparks
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    You can download that file here:

    http://www.dll-files-download.com/A/...1-12/1137.html

    It normally lives in System32.
    Nick.
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  7. April 20th, 2009, 09:15 PM #6
    anne
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    I gave up and reinstalled vista. My question now is how did this file become corrupt.
    Gigabyte GA-MA785GMT-UD2H AM3 motherboard
    16 GIG Ram,
    AMD FX 8350, 8 core
    2 x 1gig sata 3 ,,
    1 X 24" wide screen moniter ,
    2 x 17' secondary moniters
    1 x 21" secondary moniter
    Corsair Power
    Corsair Hydro cooler H 60
    1 x blueray burners
    Windows 8.1 x 64 Professional

    Professional DOS dummy.
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  8. April 20th, 2009, 09:32 PM #7
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    Broni
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    There is no answer to your question. Things like this just happen.
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  9. April 21st, 2009, 11:13 AM #8
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    SuperSparks
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    Indeed. There are a myriad of causes, but a not uncommon one is for cosmic rays passing through the RAM chips to cause a bit flip. Sometimes that corrupt data gets written back to the hard drive.

    Actually, given that all it needs sometimes is for a single bit to get flipped to cause disaster, I find it pretty miraculous that it happens so rarely
    Nick.
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  11. June 19th, 2009, 02:17 PM #9
    Guestdude
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    Alternate Fix

    Had the same problem, avrt.dll was corrupt and causing an error with logonui.exe. Sound wouldn't work at all.

    I copied avrt.dll from my other computer.
    On corrupted computer, find avrt.dll in your windows/system/32 folder:
    1) right click, properties, and change the owner to yourself
    2) once ownership is set you will be able to change permissions
    3) give yourself full permissions
    Copy the new avrt.dll into your system32 folder

    Restart, profit

    you might need to disable user access control first, you can do this under control panel > users
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