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Digital Signature Code 52


I have tried to install drivers for an alba 1. 3 mp webcam - the cd rom that came with the webcam does not install correctly and when i follow the prompts from windows 7 to install a driver from the manufacturer's website i get the following message:

"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):"

And that is despite windows 7 searching the alba website automatically for the correct driver!


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Windows Cannot Verify The Digital Signature Of This File

Windows update appeared today when we started one of our machines, informing us that there were a few updates to install. After reviewing the updates, we clicked the "install now" button, and it immediately failed with the error code above. I tried to run regedit for an unrelated reason, and it came up with an error dialog with "windows cannot verify the digital signature for this file.

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. "After some research here and elsewhere on google, and not finding anything appropriate, we put in the win7 disk, started the recovery tools and tried to roll back to a previous system restore point (3 days old). The restore went ok, rebooted, but the problem persists. Next we've just tried to install some anti-malware software, but on trying to run the installer we get another error message stating "shellexecuteex failed; code 577" and then the same message about verifying the digital signature.

The computer was running fine all of yesterday, and has been running fine since just after the new year when it was upgraded to windows 7. No hardware changes have been made, and no software changes were made by users over the last week. The computer is an amd athlon ii x4 with 4gb of ram on an asus m4a78-em motherboard, running from a 64gb ssd, with a 250gb sata drive for data/programs.

Gpu is an nvidia 260, and it has a cd and dvd drive as well. It's connected to our router via the motherboards gigabit ethernet interface. It was running windows 32 bit xp sp3 until just after the new year. When we fitted the new ssd to replace an older hard drive we did a clean install of xp (slipstreamed with sp3), and then used the upgrade version of 32 bit w7 home premium dvd to upgrade the system. Since then the system has run flawlessley. On the machine is ms office xp, firefox 3. 6. 3, avg 8. 5 and a few games such as turbine's ddo.

The main user account used for trying to resolve these problems, and for running windows update and trying to install programs is a member of the administrators group. Firefox runs fine, as does office, and it plays the installed games just fine too. Avg reports being up to date, with no problems and has detected no threats. However, trying to view the registry with regedit, or start compmgmt. Msc or event viewer all bring up the "cannot verify digital signature" message. Can anyone offer an advice on what might be wrong with this installation please, and how we might go about resolving it?


Posted On: 2010-05-29 . View Related Posts . . View 5 Replies .

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Well i cannot play that digital copy on my pc. It installed it. But when i tried to run it an error came up. Don't know what the error is. But the window pop up says. Windows media player encountered a problem while playing this file.

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