Reinstall the Vista SP1

I recently deleted windows vista important configuration files with antivirus software.

I'm sure that reinstall Vista SP1 will fix this problem, a similar problem was actually caused by SP1 during its beta testing phase.

My PC is a HP laptop with a recovery disk, so I can't fix the reader without restoring the State of the plant and the deletion of all personal information.

SP1 came pre-installed on my PC, so I don't know how to uninstall it.

I downloaded the Vista SP1 and tried to install it, but it tells me "SP1 is already installed.

I also tried to install Vista SP2 beta, but installation did not complete.

How do I uninstall SP1 on my PC so I can reinstall it manually?

First of all, I need to know, what is the problem that you have after you have removed the configuration with the antivirus files?  If you know the name of the file it would be useful also.  Please follow these steps to make sure that SP1 is still intact on your system

http://support.Microsoft.com/kb/959064

How can you know if SP1 Is installed?

1.

Click, and then right click on computer.

2.

Click on Properties . Service Pack 1 appears in the Windows edition section.

If this is the case, use these steps to try to uninstall SP1:

How can I remove SP1?

1.

Click on, and then type programs and features .

2.

Click on programs and features.

3.

In the pane tasks , click view installed updates .

4.

Click to select Service Pack for Microsoft Windows (KB936330).

5.

Click the Uninstall button.

6.

Follow the on-screen instructions to uninstall SP1. After the uninstallation is complete cleaning, other activities are performed in the background for the next hour. Do not try to reinstall SP1 until additional cleanup activities have finished.

Tags: Windows

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