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How To Troubleshoot Windows 7 Service Pack 1 Installation Issues
 
Posted by Regeneration on January 24th, 2011, 04:57 PM

A new service pack always brings some excitement, but unfortunately it also brings new issues too. Just a few days ago, Windows 7 Service Pack 1 was released, and there have been already reports of installation problems. SP1 brings 796 hotfixes, most of which weren't released to Windows Update. Additionally, SP1 also brings improved HDMI audio performance and support for AVX instruction set that was introduced in Intel Sandy Bridge processors. So we can't blame you for wanting to install SP1 as soon as possible, but if you're afraid of installation issues, or already suffering some – we're here to help.

1. Make sure the installation files came from a reputable source like Microsoft or NGOHQ.com. We highly recommend that you avoid torrents or any other non-legitimate source. Listed below are the checksums so you could verify the files you have are 100% legitimate and not corrupt.

Windows6.1-KB976932-X86.exe
SHA-1: C3516BC5C9E69FEE6D9AC4F981F5B95977A8A2FA
MD5: 4BF28FC00D86C936C89E2D91EF46758B
CRC: 5EB0FA87

Windows6.1-KB976932-X64.exe
SHA-1: 74865EF2562006E51D7F9333B4A8D45B7A749DAB
MD5: 28D3932F714BF71D78E75D36AA2E0FB8
CRC: 068C79C6

Windows6.1-KB976932-x86-INTL.exe
SHA-1: 09BF1E3A21A3776B8649A1389E573889CD629761
MD5: 70266BE9D65B74D91C8B3C1C41CAB7CE
CRC: FBD574CC

Windows6.1-KB976932-X64-INTL.exe
SHA-1: C543E3BAB37583345812D42A357A1263A203A014
MD5: FD98C34256B3DA21FB8A7E91EF1C1903
CRC: E3370464

2. Ensure your system is clean of viruses, malware and other crapware.
If you don't have an antivirus installed, check out our downloads section to obtain a free one.

3. Ensure your system files aren't corrupt by using System File Checker.
Run » sfc /scannow

4. Scan your files and partitions for errors with chkdsk.
Run » chkdsk c: /F

5. Scan for inconsistencies by using System Update Readiness Tool for Windows 7.
Download » Execute » Scan for inconsistencies

6. Clean your system of temporary files and other junk.
We highly recommend that you use CCleaner for this task

7. Run a defrag on your drives.
Start Menu » All Programs » Accessories » System Tools » Disk Defragmenter

8. Clean Windows Update cache files.
Run » net stop wuauserv » Navigate to Windows root folder » Delete the SoftwareDistribution folder » Run » net start wuauserv » Control Panel » Windows Update » Press on Check for updates to recreate the cache

9. Uninstall all drivers.
Control Panel » Programs and Features

10. Uninstall antivirus and firewall. Don't disable it temporarily! Remove it completely.
Control Panel » Programs and Features

11. Disable all Non-Microsoft services and startup applications.
Run » msconfig » Press on Services tab » Check Hide all Microsoft Services box » Press on Disable all » Press on Startup tab » Press on Disable all » Ok » Reboot

12. If you're using a slipstreamed version of Windows 7 by vLite, you must delete vLite's registry entry in-order to install Service Pack 1.
Run » regedit » HKEY_LOCAL_MACHINE » SOFTWARE » Right click on vLite and choose Delete

13. If you have ever used Driver Sweeper and now you're getting: "Service Pack Installation Cannot Continue (one or more system components that service pack requires are missing)".
Read and follow those instructions in-order to solve this problem

14. If all of the steps above haven't solved your problem, try looking for clues as to what is causing the installation to fail (such as missing files/repositories or error codes) inside the following log files:

C:\Windows\WindowsUpdate.log
C:\Windows\Logs\CBS\CBS.log

We hope that our Service Pack 1 troubleshooting guide was useful for you. And if you discover any other workaround or issue, please let us know by posting a comment below.

Last edited by Regeneration; February 24th, 2011 at 07:02 AM.

32 Comments
Posted by mkey on January 24th, 2011, 07:45 PM
Well done, this is bound to help people out.
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Posted by Regeneration on January 24th, 2011, 07:59 PM
Step 10 solved the issue on my end. It appears that ESET and F-Secure interfere with the installation process.

Last edited by Regeneration; February 24th, 2011 at 10:09 AM..
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Posted by mkey on January 24th, 2011, 08:04 PM
Yeah, I have a similar problem, my brain interferes with installation of ESET on my system
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Posted by zme-ul on January 25th, 2011, 01:40 AM
thankfully I didn't had any issues installing W7 SP1 on my system
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Posted by HaZe303 on January 25th, 2011, 03:18 AM
No problems here! But I know that if you use a vlited/RT7 Lite Edited version of Windows 7, you could get problems. Specially if you remove some certain parts, services, settings...
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Posted by mkey on January 25th, 2011, 06:05 AM
Well obviously if you cut shit down it will not work. I gave up on cut down version ages ago, what's the difference (as far as performance goes) if you have a disabled service or if you completely removed it?
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Posted by HaZe303 on January 25th, 2011, 08:33 AM
Well most people dont want more performance, they want a smaller footprint on the OS. So they want to remove as much as possible so it takes less space.
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Posted by SpectatorX on January 25th, 2011, 09:40 AM
Same here was no problems with installation. I do not remember when last time i had some serious problems with software.
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Posted by Improvizor on January 25th, 2011, 11:11 PM
I too had no issues with the installation luckily.
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Posted by gpgo on February 23rd, 2011, 10:09 AM
When opening the Control Panel, I get error message windows explore needs to shut down...I gor this message after installing Win 7 Sp 1
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Posted by mkey on February 23rd, 2011, 01:22 PM
Do a quick AV scan.
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Posted by Ohwindows on February 23rd, 2011, 02:16 PM
I really need help my pc is hosed.I updated windows 7 to SP1 and now when it reboots I get this error "Error c0000034 applying update operation 8834 of 113554 (Microso...)" I cannot get into safe mode, unfortunately I have no system restore to go back to.System repair cannot fix it.Help please!!!!!
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Posted by Regeneration on February 24th, 2011, 10:10 AM
@Ohwindows

When SP1 installation fails, it reverts itself after a few reboots.
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Posted by Unregistered on February 24th, 2011, 12:58 PM
Step 12 fixed my problem. I slipstreamed some updates into my install. Stupid M$ won't let me slipstream my legally downloaded iso *Grunt*
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Posted by Unregistered on February 24th, 2011, 03:31 PM
Yeah, SP1 corrupted one of my startup files on my laptop and now it hangs everytime I try to load Windows.

Tried fixing, restoring, etc, but will have to run System Recovery I think.

Rubbish.
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Posted by Gil on February 24th, 2011, 07:29 PM
hi.
I had a issue that after the update asked for a restart to finish installing it wont boot at all. I dont even get the Bios first image or anything
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Posted by patcoghm on February 25th, 2011, 04:01 AM
Installed Windows Servive Pack 1 and lost printer drivers in printers connected wirelessly. It says need a uptodate printer driver with a code error, Operation failed with error 0X000003e3. Only my computer connected to the printer via USB works. Been thru this befor with Vista and has returned in Service pack 1 for Windoes seven. Open the network open the computer the printer is connected to, see the printers shared, select them and it says " Windows needs to download and install a software driver from the \\HPDesktop computer to Print to the HP Officejet Pro L7700 Series. When install driver is clicked it fails. All three computers failed to see the printer and all had the Service Pack 1 added at the same time.
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Posted by Unregistered on February 25th, 2011, 06:33 AM
I install service pack 1 for windows 7 it disable connection to internet. I uninstall it, now I am writing this. What goes here? I keep my computer system clean never had any problems with updates before.
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Posted by Unregistered on February 25th, 2011, 06:42 PM
Getting: Error: ERROR_SXS_ASSEMBLY_NOT_FOUND(0x800736b3)

Any ideas?
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Posted by Unregistered on February 26th, 2011, 08:45 PM
went through the process of updating the SP1 automatically by windows update and everything went smoothly. Wn defender was on,Mcafee was on and another thing to note, need to install it as Administrator.
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Posted by Unregistered on March 4th, 2011, 04:31 PM
Ia m also getting the error code "ERROR_SXS_ASSEMBLY_NOT_FOUND(0x800736b3)". Does anyone have an idea how to fix this? Thanks!
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Posted by Unregistered on March 9th, 2011, 08:51 PM
I am getting " This computer is not running genuine windows" WTF yes it bloody well is I can't do any thing now I got sp1 from the windows updater and it's a fairly new PC so no hardware upgrades yet I got the 64bit version too I checked running home premium btw now I have to go through microsoft tech support on the bloody phone lines close at 6pm (bit early) but they don't take new calls after 5:30pm (so lines close at 5:30 then) Microsofts Customer service is appalling all I want is to use my f*****g Computer please help
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Posted by Unregistered on March 10th, 2011, 01:22 AM
i got to about 96 percent installed and then got the
FFFFFE error message which I interpreted as FFFFFU from MS. I can't do a clean install of 7 with the disc....as MS SUpport recommends...ideas?
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Posted by Unregistered on March 10th, 2011, 09:57 PM
Fatal Error c0000034!!! Happened on 8 systems all different configurations, 2 new systems with only win7 on it. The only thing in common is that it is Win7 Pro Full. Thank you Microsoft! I am loving the overtime!
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Posted by Tangmeister on April 11th, 2011, 01:51 AM
Thank you so much! Long story short, the Windows update files on my netbook (Win 7) were corrupted and the troubleshooter didn't actually fix it (although it claimed to have) and the step with stopping and restarting the service after clearing the cache did the trick. Thank you!
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Posted by Unregistered on May 28th, 2011, 01:35 PM
Dont fix my install problems...... Is win 7 going the same way as Vista??? Its been really good until now. How strange that talk has just started about win 8!
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Posted by squall_leonhart on May 28th, 2011, 06:33 PM
Posted by Improvizor on May 31st, 2011, 11:41 PM
Well this is weird. I had to do a clean reinstall a couple of days ago. Then I installed Sp1 and for some reason I had severe FPS drops in games. I'm talking about 20-30fps drops. For example, Just Cause 2 always runs in 60fps, but with SP1 after this reinstall it ran at 25-30. Not once above 30 under any circumstances. I uninstalled the pack of course. Does anyone here have a clue what's going on? It worked flawlessly the last time I installed it.
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Posted by squall_leonhart on May 31st, 2011, 11:48 PM
apart from just cause being shit

your system power profile changed or graphics drivers need reinstalling.
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Posted by Improvizor on June 1st, 2011, 09:55 AM
Nope. I always set my power profile after reinstall and all of my drivers are up to date.
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Posted by squall_leonhart on June 1st, 2011, 10:07 AM
i said reinstalling.
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Posted by Improvizor on June 2nd, 2011, 09:56 AM
I reinstalled the drivers, installed SP1 (and the other way around) again - same problem. Uninstalled SP1 - problem solved.
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