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Windows 7: SP1 won't install sqmapi.dll missing

29 Jul 2011   #1

Windows 7 Ultimate x86
SP1 won't install sqmapi.dll missing

I have a Dell 1525 laptop and the other day I was updating it with Windows updates. My laptop didn't have SP1 yet so I installed that with some other updates and then my internet stopped working, even though it showed as connected. So I did a system restore to before the updates which fixed the internet. Then I installed all the updates except SP1 and the internet still worked. But when I tried to install SP1 (either in win update or with SP1 download) I get the error, "missing sqmapi.dll".

This has happened to me before on a PC where I installed SP1 then did a system restore to uninstall it, then tried to install SP1 again, then got a similar error. So both times when uninstalling SP1 with system restore and trying to re-update SP1 has had the same consequences.

So what is going on?

My System SpecsSystem Spec
16 Aug 2011   #2

Microsoft Community Contributor Award Recipient

Win 7 Home Premium 64bit Ver 6.1.7600 Build 7601 - SP1

Hi raiden1701, welcome to 7F

I missed your thread, but you may be interested in this one, and its solution:
My System SpecsSystem Spec
16 Aug 2011   #3

Win 7 Ultimate 64-bit. SP1.

Test each of the steps below to see if it improves the situation.

*Run System File Checker (SFC) scan to fix any corrupt system files.
How to use the System File Checker tool to troubleshoot missing or corrupted system files on Windows Vista or on Windows 7

* Clean boot and then try to install SP1 via Windows update
Follow Step 1 in the link below,
How to troubleshoot a problem by performing a clean boot in Windows Vista or in Windows 7

Important - Put the computer back to normal startup... refer step 7 in the link.

*FYI -
Learn how to install Windows 7 Service Pack 1 (SP1)

Troubleshoot problems -

Troubleshoot problems installing Service Pack 1 (SP1) for Windows 7 and Windows Server 2008 R2
My System SpecsSystem Spec


 SP1 won't install sqmapi.dll missing

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