wu-100percent-cpu-usage.mkd

Windows Update 100% CPU usage and stack

+---svchost.exe  -> parent proc, use cpu
|
\---wuauclt.exe  -> child proc, Windows Update module

rebuild DB

http://support.microsoft.com/kb/875560

stop Automatic Updates

1. run services.msc
2. stop Automatic Updates

delete DB

1. open %windir%\SoftwareDistribution
2. open DataStore\
3. move DataStore.edb Logs\

• mkdir _oldlogs
• move * _oldlogs\

activate Automatic Updates

1. run services.msc
2. restart Automatic Updates

detail

C:\WINDOWS\SoftwareDistribution\DataStore>dir /s DataStore.edb
 Volume in drive C is ****
 Volume Serial Number is ****

 Directory of C:\WINDOWS\SoftwareDistribution\DataStore

2013/11/22  01:18         1,056,768 DataStore.edb
               1 File(s)      1,056,768 bytes

 Directory of C:\WINDOWS\SoftwareDistribution\DataStore\_oldlogs

2013/11/22  01:10       141,565,952 DataStore.edb
               1 File(s)    141,565,952 bytes

     Total Files Listed:
               2 File(s)    142,622,720 bytes
               0 Dir(s)  397,668,761,600 bytes free

C:\WINDOWS\SoftwareDistribution\DataStore>

C:\WINDOWS\SoftwareDistribution\DataStore>tree /f /a
Folder PATH listing for volume ****
Volume serial number is ****
C:.
|   DataStore.edb
|
+---Logs
|       edb.chk
|       edb.log
|       res1.log
|       res2.log
|
\---_oldlogs
    |   DataStore.edb
    |   WindowsUpdateUsageCPU100Percent.md
    |
    \---Logs
            edb.chk
            edb.log
            edb004DC.log
            res1.log
            res2.log
C:\WINDOWS\SoftwareDistribution\DataStore>

retry Windows Update

but 100% CPU usage again...

so take a long time(approx. 1H+), update scan finished

KB**** svchost problem

it's seems that this problem

Svchost.exe 100% CPU usage, and spend long long time when Windows Update

• KB2846071
• KB2862772
• KB2870699
• KB2879017

http://blogs.technet.com/b/jpwsus/archive/2013/10/18/windows-xp-windows-server-2003-windows-update-svchost-exe-cpu-100.aspx (ja)

manual download

below patches for

• Internet Explore 8
• Windows XP SP3
• 32-bit (x86)
• Japanese

KB2846071

• http://www.microsoft.com/ja-jp/download/details.aspx?id=39544
• http://www.microsoft.com/ja-jp/download/confirmation.aspx?id=39544
• http://download.microsoft.com/download/7/3/7/73722817-26E6-45E5-A432-6A22EF9EA544/IE8-WindowsXP-KB2846071-x86-JPN.exe

KB2862772

• http://www.microsoft.com/ja-jp/download/details.aspx?id=39745
• http://www.microsoft.com/ja-jp/download/confirmation.aspx?id=39745
• http://download.microsoft.com/download/5/4/6/54679A0F-FA3B-4E00-9DFA-2978D5AC0AD7/IE8-WindowsXP-KB2862772-x86-JPN.exe

KB2870699

• http://www.microsoft.com/ja-jp/download/details.aspx?id=40119
• http://www.microsoft.com/ja-jp/download/confirmation.aspx?id=40119
• http://download.microsoft.com/download/C/6/A/C6A0976C-4088-40CF-B123-1C6525D1C855/IE8-WindowsXP-KB2870699-x86-JPN.exe

KB2879017

• http://www.microsoft.com/ja-jp/download/details.aspx?id=40390
• http://www.microsoft.com/ja-jp/download/confirmation.aspx?id=40390
• http://download.microsoft.com/download/3/E/A/3EAD7A5F-E514-4067-9678-36A5089C8F3D/IE8-WindowsXP-KB2879017-x86-JPN.exe

step-by-step reboot after apply one patch

retry Windows Update

100% CPU usage again, but take a short time

Error Code 0x80246008

all patches failed to apply, cause error 0x80246008

check service of BITS http://support.microsoft.com/kb/910337

• vaild regstry keys for BITS
• [-] missing BITS on services.msc

reinstall BITS

http://support.microsoft.com/kb/842773

• http://www.microsoft.com/ja-jp/download/details.aspx?id=23281

  WindowsXP-KB842773-v2-x86-jpn.exe

but reinstall failed (prob. uninstall -> reboot -> install)

fix BITS

• http://answers.microsoft.com/ja-jp/windows/forum/windows_xp-windows_update/bits%E3%81%8C%E3%82%B5%E3%83%BC%E3%83%93%E3%82%B9/9c60fb24-8538-4b76-a8c2-5f7bd55207f7

> are exec on cmd.exe

1. regsvr32 qmgr.dll

2. regsvr32 qmgrprxy.dll

3. reboot
4. run %windir%\System32\rundll32.exe setupapi,InstallHinfSection DefaultInstall 132 %windir%\inf\qmgr.inf

• place %windir%\ServicePackFiles\i386
• C:\WINDOWS\ServicePackFiles\i386\qmgr.dll
• failed copy files, but skip errors

5. reboot
6. run services.msc

• open "Background Intelligent Transfer Service"
• start service
• file missing, start failed

7. Reg add HKLM\SYSTEM\CurrentControlSet\Services\BITS\Parameters /v ServiceDll /t REG_EXPAND_SZ /d %windir%\System32\qmgr.dll

8. reboot
9. manually start BITS

• open "Background Intelligent Transfer Service"
• still started

10. Reg add HKLM\SYSTEM\CurrentControlSet\Control\BackupRestore\FilesNotToBackup

11. reboot
12. manually start BITS

• open "Background Intelligent Transfer Service"
• change startup type to "Automatic"

http://support.microsoft.com/kb/916251/en-us

insane