Note Uninstalling SP1 requires a minimum of 500 MB of free space on the system volume. You can remove SP1 using the Programs and Features

Uninstalling SP1 requires a minimum of 500 MB of free space on the system volume.

You can remove SP1 using the Programs and Features or using the command line.

To uninstall SP1 using Programs and Features

1. Open Control Panel, and click Programs and Features. 2. Select View Installed Updates. 3. Under the list of Microsoft Windows, select Service Pack for Windows (KB936330). 4. On the top menu, click Uninstall.

1. Open an elevated command prompt (Click Start, type command in the Start Search box, right-click CommandPrompt, and then click Run as administrator). 2. Run the following command (assuming Windows6.0-KB936330.exe is in C:\temp) C:\temp\Windows6.0-KB936330.exe /x:C:\temp 3. To create a sandbox, run md 4. To remove SP1, run start /w pkgmgr.exe /m:c:\temp\Windows6.0-KB936330.cab /up /s: 5. Once Pkgmgr.exe is done, you will be prompted to restart the computer (unless you specified the /quiet command with Pkgmgr.)