windows 7 digital signature
Windows cannot verify the digital signature for the drivers required for this device. A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source. (Code
52)
April 10th, 2011 8:42am
Have a look to this Microsoft article about such error and try the mentioned resolution:
http://technet.microsoft.com/en-us/library/ff710454(WS.10).aspx
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April 10th, 2011 9:05am
Have you check
this article.
You can also post on
Windows 7 Answers forum and
Win7ITPRO.
Thanks
April 10th, 2011 9:11am