Windows update agent 7.6 taking all of my CPU resources


  1. HK2015
    Posts : 5
    Windows 7 Ultimate x64
       New #1

    Windows update agent 7.6 taking all of my CPU resources


    I installed new clean windows 7 ultimate a few days. Everything was ok. Installed well. Activated well. Getting windows update well. After service pack 1 was installed successfully, a new version of windows update agent 7.6 was installed and then the whole problem started.

    Every time I start my computer, it is running in the background eating all of my cpu resources. CPU usage always goes up 100%. So I can barely use other programs. So I changed the update setting to only to "check updates but not install or download". But the problem remains the same. Still using 100% CPU cycles. (100% CPU usage constantly, all the time, every second and minute). Although it uses 100% resources, it downloads and installs update extremely slowly. I still have nearly 200 update to install.

    When I stop the windoows update service using "services" program, cpu usage dropped down to 0-20%. If I put windows update setting to "never check windoows update" and disable windows update service completely then the problem is solved on next boot. But this is not the solution.

    I know this is a common issue in window XP and it was fixed in the windows updates for XP I think. I am suprised to see this problem in windows 7 ultimate. I searched for the solution online but no solution was found for windows 7. I did find several discussions and solutions for windows XP. But not for windows 7.
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  3. NoelDP
    Posts : 21,482
    Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
       New #2

    This is often caused by corruption of some of the update's files.

    Please follow the Windows Update Posting Instructions and post the requested data

    If the file is too large (8MB compressed), remove the older CBSPersist cab files until the final file is below the limit - you can always post them separately after zipping them. (the forum doesn't allow the upload of bare CAB files, for a number of reasons)

    Please also post the C:\Windows\windowsudpate.log file
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  4. HK2015
    Posts : 5
    Windows 7 Ultimate x64
    Thread Starter
       New #3

    Thank you for your reply.
    I uploaded zip for my first old 3 CBS files to my first post.
    And zip for remaining latest 3 CBS files here.
    But somehow zip from my first post was removed.
    So I edited this second post and uploaded the zip for latest 3 cbs files here.
    Last edited by HK2015; 12 May 2015 at 13:15.
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  6. NoelDP
    Posts : 21,482
    Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
       New #4

    There don't appear to be any results from a CheckSUR/SURT scan - and no results of an SFC /SCANNOW either.
    There are no files attached to your first post that I can see.

    Please post the requested data after running the requested tools, and also post the windowsupdate.log file as requested.
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  7. HK2015
    Posts : 5
    Windows 7 Ultimate x64
    Thread Starter
       New #5

    I followed the instructions to run sfc/scannow.
    But when I run cmd sfc command, it said I must be an administrator running a console section.
    My account is the only account in this computer and it is the administrator account.
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  8. NoelDP
    Posts : 21,482
    Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
       New #6

    You must still use the instructions and run as Admin.
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  10. HK2015
    Posts : 5
    Windows 7 Ultimate x64
    Thread Starter
       New #7

    1) I managed to run sfc/scannnow with admin rights.
    I simply located the cmd file in system32 folder and right click then chose "run as administrator".
    Result of the scan: corruptions detected and unable to repair. Reports can be viewed in CBS files.

    2) System update readiness tool was successfull installed.

    So I attached the following files with this reply:
    -CBS folder
    -Windows update log
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  11. NoelDP
    Posts : 21,482
    Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
       New #8

    CheckSUR is clear.
    Here's the summary of the SFC scan results...
    Code:
     Line 159111: 2015-05-12 20:34:28, Info                  CSI    0000062f [SR] Repairing 4 components
 Line 159112: 2015-05-12 20:34:28, Info                  CSI    00000630 [SR] Beginning Verify and Repair transaction
 Line 159115: 2015-05-12 20:34:28, Info                  CSI    00000632 [SR] Cannot repair member file [l:34{17}]"windeploy.exe.mui" of Microsoft-Windows-Setup-Component.Resources, Version = 6.1.7600.16385, pA = PROCESSOR_ARCHITECTURE_AMD64 (9), Culture = [l:10{5}]"en-US", VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral in the store, hash mismatch
 Line 159118: 2015-05-12 20:34:28, Info                  CSI    00000634 [SR] Cannot repair member file [l:32{16}]"WinLGDep.dll.mui" of Microsoft-Windows-Setup-Component.Resources, Version = 6.1.7600.16385, pA = PROCESSOR_ARCHITECTURE_AMD64 (9), Culture = [l:10{5}]"en-US", VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral in the store, hash mismatch
 Line 159121: 2015-05-12 20:34:28, Info                  CSI    00000636 [SR] Cannot repair member file [l:26{13}]"audit.exe.mui" of Microsoft-Windows-Setup-Component.Resources, Version = 6.1.7600.16385, pA = PROCESSOR_ARCHITECTURE_AMD64 (9), Culture = [l:10{5}]"en-US", VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral in the store, hash mismatch
 Line 159124: 2015-05-12 20:34:28, Info                  CSI    00000638 [SR] Cannot repair member file [l:26{13}]"setup.exe.mui" of Microsoft-Windows-Setup-Component.Resources, Version = 6.1.7600.16385, pA = PROCESSOR_ARCHITECTURE_AMD64 (9), Culture = [l:10{5}]"en-US", VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral in the store, hash mismatch
 Line 159127: 2015-05-12 20:34:28, Info                  CSI    0000063a [SR] Cannot repair member file [l:32{16}]"W32UIRes.dll.mui" of Microsoft-Windows-Setup-Component.Resources, Version = 6.1.7600.16385, pA = PROCESSOR_ARCHITECTURE_AMD64 (9), Culture = [l:10{5}]"en-US", VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral in the store, hash mismatch
 Line 159130: 2015-05-12 20:34:28, Info                  CSI    0000063c [SR] Cannot repair member file [l:30{15}]"oobeldr.exe.mui" of Microsoft-Windows-Setup-Component.Resources, Version = 6.1.7600.16385, pA = PROCESSOR_ARCHITECTURE_AMD64 (9), Culture = [l:10{5}]"en-US", VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral in the store, hash mismatch
 Line 159133: 2015-05-12 20:34:29, Info                  CSI    0000063e [SR] Cannot repair member file [l:24{12}]"spwizimg.dll" of Microsoft-Windows-Setup-Navigation-Wizard-Framework, Version = 6.1.7601.17514, pA = PROCESSOR_ARCHITECTURE_AMD64 (9), Culture neutral, VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral in the store, hash mismatch
 Line 159136: 2015-05-12 20:34:29, Info                  CSI    00000640 [SR] Cannot repair member file [l:24{12}]"W32UIRes.dll" of Microsoft-Windows-Setup-Component, Version = 6.1.7601.17514, pA = PROCESSOR_ARCHITECTURE_AMD64 (9), Culture neutral, VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral in the store, hash mismatch
 Line 159139: 2015-05-12 20:34:30, Info                  CSI    00000642 [SR] Cannot repair member file [l:28{14}]"iassdo.dll.mui" of Microsoft-Windows-Networking-Internet_Authentication_Service_Iassdo.Resources, Version = 6.1.7600.16385, pA = PROCESSOR_ARCHITECTURE_INTEL (0), Culture = [l:10{5}]"en-US", VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName neutral, PublicKey neutral in the store, hash mismatch
    I'll post a fix protocol later
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  12. HK2015
    Posts : 5
    Windows 7 Ultimate x64
    Thread Starter
       New #9

    Thank you.
    I'll be looking forward to it.
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  13. NoelDP
    Posts : 21,482
    Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
       New #10

    I've uploaded a file - hk2aa.zip - to my OneDrive at Noel's OneDrive
    Please download and save it.

    Right-click on the saved file and select Extract all...
    Change the target to C:\ and click on Extract
    Close all windows (it would be a good idea to print these instructions!)

    Now reboot to the Repair Environment - as soon as the machine restarts, start tapping F8 - this should bring up the Advanced Boot Menu, at the top of which should be the option 'Repair my Computer'
    Pick that
    You'll have to log in with your username and password.

    Pick the option to use a Command Prompt
    At the prompt type
    DIR C:\hk2aa
    hit the enter key - if you get a 'Not Found' error try
    DIR D:\hk2aa
    or
    DIR E:\hk2aa



    The drive letter in use when you find the folder will need to be substituted (for<drive>) into the following command...



    XCOPY <drive>:\hk2aa <drive>:\windows\winsxs /y /i /s /v /h



    (e.g. XCOPY P:\wfire P:\windows\winsxs /y /i /s /v /h )



    run the command (it should take almost no time) and when the prompt returns, type
    EXIT
    and hit the Enter key to exit Command Prompt - reboot to Normal Mode Windows.

    Now run SFC /SCANNOW in an Elevated Command Prompt
    then reboot and upload the new CBS.log file to your reply
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