To check the digital signatures for system or non-system files
Download Links:1. Open File Signature Verification. 2. Click Advanced. 3. 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. 4. Click OK, and then click Start. Note To start File Signature Verification, click Start, click Run, type sigverif, and then click OK.