I have a Windows Vista Home Premium and I tried installing SP2 on it and It prompted me to install SP1. Then it stopped working when I installed SP1. I don't have back up that I can use to restore it.

When I use the Windows Repair mode I am unable to get access to few options none of which is working. I do have access to the command prompt.

Is there way to restore this? If I am planning to upgrade to Windows 7 Home Premium what are the steps?

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migrated from stackoverflow.comSep 15 '10 at 13:09

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First to restore your Vista, use Windows system restore from the Recovery Environment

http://www.bleepingcomputer.com/tutorials/tutorial142.html

Back up any personal data, the windows.old folder will not contain any folders you created on the C drive, so you may want to back those up if they exist.

An upgrade to Windows 7 will require booting into Vista. Otherwise you'll do a fresh install, and your data and files will be placed in a folder called Windows.old in the root of C:.