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.


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

Related Topics

Write digital signature information to a log file

Verify that system files have a digital signature

Using File Signature Verification

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