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Windows 7: Windows 7 Reinstall

25 Feb 2011   #11
Microsoft MVP


Quote   Quote: Originally Posted by chrisdr View Post
My first problem is that I don't own a Windows 7 Ultimate (x64) DVD. Trying to do the upgrade using my Home Premium disc fails - Can't upgrade from Ultimate to Home Premium.

So, I need to get a Windows 7 Ultimate (X64) DVD before proceeding.
You missed this part about how to unlock all versions in your WIn7 DVD:

Quote   Quote: Originally Posted by gregrocker View Post
Unlock all versions if necessary in your installer by extracting the ISO from DVD using ImgBurn, run the ei.cfg removal tool, then burn another DVD with ImgBurn at 4x speed or run the extracted files from the deskstop.

My System SpecsSystem Spec
28 Feb 2011   #12

Windows 7 Ultimate

Thanks for everyone's help:

Managed to sucessfully repair my installation, however it didn't solve the problem. Reinstalling SP1 resulted in the same trashed OS

After some hair pulling and searching, finally discovered the root cause. There is a bug in the SP1 installer which screws up the system if language packs have been installed.

Let me explain - As part of the upgrade process, SP1 uninstalls language packs, however there is a memory leak, which can cause the system to run out of memory, if enough language packs are installed.

The severity of this depends on how many language packs are installed, and how much physical memory is available. I am not sure how many installed language packs it takes to hit this issue, but I think it is safest to uninstall all before installing SP1.

My System SpecsSystem Spec

 Windows 7 Reinstall

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