Lets try these steps:
1. Click Start, Run and type Regedit.exe
2. Navigate to the following location:
HKEY_LOCAL_MACHINE \ SOFTWARE \ Policies \ Microsoft \ WindowsFirewall
3. Backup the key and then delete the WindowsFirewall branch.
4. Close Regedit.exe and restart Windows.
Registry Disclaimer: This solution contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs.
Here‚Äôs to Good Karma