If you uninstall Vista SP2, you will have to change the Windows Update settings- otherwise, it will just reinstall in the background when you are not paying attention.
If Vista SP2 causes problems that you cannot fix, you can contact Microsoft’s Free Support to help you resolve the problem. If you decide that you want to uninstall Vista SP2 from your computer to restore your computer to its previous state, perform the following procedure.
Note: It's always a good idea to backup files before you start a process like this one.
Difficulty: Easy
Time Required: 30 minutes to 2 hours
Here's How:
Click the “Start button”, then click “Control Panel”.
- Click “Programs”.
- Under “Programs and Features”, select “View installed updates”.
- On the “Uninstall an update” page, click “Service Pack for Microsoft Windows (KB948465)”, then click “Uninstall”.
- Follow the instructions on your screen.
Tips:
- This process will take a while to complete. Leave your computer alone until the uninstall process is finished.
- Make sure you have a constant power supply so the computer does not shut off during the uninstall process.
- Re-boot your computer afterward to assure that it works properly.