Windows 7 -- Missing mdsdrv.sys file (cannot start "Firewall Authorization Driver" service) RRS feed

  • Question

  • I have a problem to start my Windows 7 firewall.

    Tracing it a little, the source seems to be a missing driver file mdsdrv.sys which is needed in order to start the service "Firewall Authorization Driver".

    Any idea on how to retrieve it?


    Friday, June 17, 2011 4:35 PM


  • Dear Customer,

      This forum is used to post questions about the Microsoft Fix it Center automated troubleshooting tool. Could you please post your issue to http://answers.microsoft.com/en-us that you can get the right solution soon, thanks for your understanding.

    Please Mark as Answered If this is helpful Or Un-Mark as Answered if it is not helpful.

    Best Regards,

    • Marked as answer by Fafafaalex Monday, June 27, 2011 2:04 AM
    Monday, June 27, 2011 2:04 AM