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Identifying Unsigned Files

  1. Click Start.
  2. Click Run.
  3. Type 'sigverif' in the Open box, then click OK.
  4. Click Start to identify any files that are not signed.
  5. The program then begins to scan for unsigned files. You can see the progress of the scan via the progress indicator.
  6. The Signature Verification Results dialog box appears when the file scan is completed. Make a note of the unsigned files, then click the Close button.
  7. Click the Advanced button to see some of the options you have when performing a File Signature Verification.
  8. In the Advanced File Signature Verification Settings dialog box, you can see options for selecting what types of files are scanned. Click the Logging tab.
  9. The log file lists the unsigned files. This completes the Simulation. Click the Exit button.

Use File Signature Verification

Use file signature verification to identify unsigned files on your computer and specify verification options. These tasks are useful when determining whether to update a driver or when troubleshooting a problem you suspect is related to a driver. To use file signature verification:
  1. Click Start, click Run, type sigverif in the Open box, and then click OK.
  2. Click Start to identify any files that are not signed. A list of files that have not been digitally signed appears.
  3. To set verification options, click Advanced. The Advanced File Signature Verification Settings dialog box appears. You can choose to be notified if any system files are not signed, or you can search for files that are not digitally signed.
  4. To create, save, or view a log file, click the Logging tab. The log file contains the results of the search. This log file can be archived and used during troubleshooting to compare driver settings from one point in time to another point in time.