I can't have the ms firewall to work.

I can't have the firewall to activate. I checked the services and is running and set to auto. I even restarted. If I'm going to start/control panel/security/firewall status it does nothing.

Hi Lucie,.

Thanks for posting your query on the Microsoft Community.

According to the description of the problem, you cannot start the firewall on your Windows 7 computer. The question could be if dependence of the firewall service is not running or get corrupted. It could also be does not work if there is a file system corruption.

Two important dependencies allowing execution of the Windows Firewall service are Base filtering engine (BFE) and remote procedure call (RPC), if none of these two services do not work or are missing or damaged Windows firewall stops working.

Try these steps and see if it helps you to solve the problem.

Method 1

Try the steps below to start and check the status of the dependency for the firewall services.

  • Press Windows key + R to open the Run dialog box.
  • In the Run dialog box, type services.msc.
  • Research of Base filtering engine (BFE) and remote procedure call (RPC) service.
  • Right-click on each service and start them if they are not running and make sure that the startup type is automatic.

Method 2:

The driver of the authorization (mdsdrv.sys) firewall is a system protected Windows file. Thus, the corruption of the file system could cause this problem. You can run the tool File Checker system and if the file is found to be damaged, it will be replaced.

The file system check is a utility built into the operating system that will check for the corruption of system files. The sfc/scannow command. (System File Check) analyzes the integrity of all protected operating system files and replaces incorrect versions, damaged, altered, or damaged with correct versions where possible.

How to use the System File Checker tool to fix the system files missing or corrupted on Windows Vista or Windows 7.

  • Go to Start, click all programs and open the Accessories.
  • Right-click on command prompt in the list programs, and then select run as administrator. If you are prompted for an administrator password or for confirmation, type your password, or click OK.
  • In the command prompt, type the following command and press ENTER:

sfc/scannow

For more information, refer to this link:

http://support.Microsoft.com/kb/929833/en-us

Hope it would help. If problem persists always post back with the current state of your computer and the result of the proposed suggestion, we will be happy to help you.

Kind regards

Tags: Windows

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