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Windows 7: Repair Install Problem Due To SP1

04 Jun 2011   #11


It's likely something in one of these registry listings which tells Win7 it is a newer version (with SP1) than the DVD which when slipstreamed isn't showing SP1 in its coding.

Just as changing the Edition ID and Product Name can trick the installer into doing a Repair/Upgrade Install to another Win7 version, finding and changing the coding here which indicates it is SP1 would likely do the same.

My System SpecsSystem Spec
04 Jun 2011   #12

Windows 10 Pro X64

Sure would be nice if someone figured it out. Got any contacts at Microsoft

Thanks Shawn and Greg
My System SpecsSystem Spec
04 Jun 2011   #13

Windows 10 Pro X64

If I do a reg query of that key, I get a slightly different result:
CurrentBuildNumber REG_SZ 7601
BuildLab REG_SZ 7601.win7sp1_gdr.110408-1631
BuildLabEx REG_SZ 7601.17592.amd64fre.win7sp1_gdr.110408-1631
BuildGUID REG_SZ 120eeac6-d1df-4811-80a7-a443334c6c2f
CSDBuildNumber REG_SZ 1130
PathName REG_SZ C:\Windows
CSDVersion REG_SZ Service Pack 1
along with a lot of other stuff. I wonder where the equivalent is on the DVD?

Yours shows CSDVersion REG_SZ 6.1
My System SpecsSystem Spec

05 Jun 2011   #14


Someone with a slipstreamed SP1 DVD might try setting a Restore Point then changing that key to 6.1, to see if it agrees with the DVD and allows a Repair Install.

The screenshot was from this tutorial: Upgrade the Windows 7 RC to any retail version Icrontic Tech
My System SpecsSystem Spec
05 Jun 2011   #15

Microsoft Community Contributor Award Recipient


This is a very old problem, goes back to Win Xp sp1.
My System SpecsSystem Spec
05 Jun 2011   #16

Windows 7 Professsional 32 bit

Thanks to everyone who contributed to this thread.

The reason I needed I to reinstall is that out of the blue I got an "installing device driver" message, and installation failed. Device Manager showed that no driver was installed for my HP printer, which worked well up to that point.The reason for failure was shown as "the core driver package needed to install the printer driver is missing", or words to that effect.I have no idea how the core driver package got deleted.

I realised from Brink's earlier message the reason for my attempted repair install failure, namely I used the Windows 7 SP1 Disk Cleanup Tool, and I won't make that mistake again.

I did a successful clean install, and was able to recover my program files, documents, pictures etc.etc. from a Macrium Reflect Disk image I made immediately prior to the reinstallation.I dragged and dropped selected files and folders from the image, because if I simply restored the image I assume the printer driver problem would have resurfaced.

Best regards,Roy
My System SpecsSystem Spec
05 Jun 2011   #17
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate

Hello again Roy, good to see you got it sorted.

Have a look at this tutorial at the link below so you will always have system restore points if ever needed, that may have 'removed' the problematic driver for you; be sure to have a look at Method Two, the one I prefer.

System Restore Point : Create at System Startup
My System SpecsSystem Spec
05 Jun 2011   #18

64-bit Windows 10 Pro

That's great news Roy. I'm happy to hear that to see you got it sorted, but sorry it took a clean install.
My System SpecsSystem Spec

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