Impossible to install Vista 64-bit SP2 as it says file doesn't have a digital signature?

Hi have tried to download this several times but it goes on to say that the file doesn't have a valid digital signature, whereby it seems weird as its on the microsoft Web site.  Windows Update doesn't have the option to install from there, I had to do it this way.

Can anyone help/advise

Thank you

Hi MattD5967,

1. you install a manual download?

Try to reset Windows Update components and check if this solves the problem.
 
How to reset the Windows Update components?
http://support.Microsoft.com/default.aspx/KB/971058

If the suggestion provided above does not resolve the problem then I suggest you to install the updates using the cleanboot.

Put your boot system helps determine if third-party applications or startup items are causing the problem. If so, you need to maybe contact the manufacturer of the program for updates or uninstall and reinstall the program.

See the following article in the Microsoft KB for more information on how to solve a problem by performing a clean boot in Windows Vista or Windows 7:

How to troubleshoot a problem by performing a clean boot in Windows Vista or in Windows 7
http://support.Microsoft.com/kb/929135

Note: After troubleshooting, be sure to set the computer to start as usual as mentioned in step 7 in the above article.

Thank you, and in what concerns:
I. Suuresh Kumar - Microsoft technical support.

Visit our Microsoft answers feedback Forum and let us know what you think.

Tags: Windows

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