To check the digital signatures for system or non-system files

Open File Signature Verification

Click Advanced.

On the Search tab, click one of the following:

•

Notify me if any system files are not signed

Checks only the Windows system files and all device driver files to see if they have a digital signature.

•

Look for other files that are not digitally signed

Enables you to specify the file type and location of non-system files to check for a digital signature.

Click OK, and then click Start.

Note

•	To start File Signature Verification, click Start, click Run, type sigverif, and then click OK.

•	Write digital signature information to a log file
•	Verify that system files have a digital signature
•	Using File Signature Verification

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