Detailed Answer Copy Following Registry Files. https://skydrive.live.com/redir.aspx?cid=245510dc0e1033eb&resid=245510DC0E1033EB!128&parid=root BFE.reg For Base Filtering Engine MpsSvc.reg For Windows Firewall wscsvc.reg For Windows Security Centre Find Regedit in C:\windows, right click and choose Run As Administrator, then File menu, then Import, and import the reg files. Now To Change the Permissions.Open the Following Reg Entry HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\BFE Right click on it- click on "Permissions..." Click on "ADD" and type "Everyone" in the field Enter the object name to select without quotes and click "OK" Now Click on Everyone (Highlighted) Below you have Permission for Everyone Select Full Control Check Box and click "OK". Open Command prompt Type Services.msc Find the Service BFE and Start the service. Repeat the same for HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\MpsSvc HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\wscsvc You might need a system restart after adding registry key so the services will appear in service.msc