Windows service pack?

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Setup Could Not Verify the Integrity of the File" Error Message Occurs When You Try to Install Windows XP Service Pack 1
The information in this article applies to: Microsoft Windows XP Professional SP1, Microsoft Windows XP Home Edition SP1.

Symptoms
When you install Windows XP Service Pack 1 (SP1), you may receive the following error message:
Service Pack 1 Setup could not verify the integrity of the file. Make sure the Cryptographic service is running on this computer

Cause
This issue occurs because either Cryptographic Services is set to Disabled for Startup type or there is log file or database corruption in the %Systemroot%\System\Catroot2 folder.

Resolution
To resolve this issue, set Cryptographic Services to Automatic for Startup type. If this does not resolve the issue, stop Cryptographic Services, and then rename the %Systemroot%\System32\Catroot2 folder. To do so, follow these steps:
Start the Administrative Tools utility in Control Panel.
Double-click Services.
Right-click Cryptographic Services, and then click Properties.
Click Automatic for Startup type, and then click Start.
Install Windows XP SP1 again. If the problem persists, go to Step 6.
Click Start, and then click Run.
In the Open box, type cmd, and then click OK.
At the command prompt, type the following commands, and then press ENTER after each line:
net stop cryptsvc

Type exit to close the command prompt, and then install Windows XP SP1 again.

Det hjalp ikke noget...

hvorfor så gi point?!

...

hmm nå..