Perhaps those Chinese hackers got to you first!
Or try this:
Stop the Firewall (if it isnt):
- Click on Start menu, and select Control Panel.
- Select Administrative Tools
- Double-click Services option
- In Services console, find and right-click Windows Firewall/Internet Connection Sharing (ICS)
- Select Properties
- Select Disabled from the Startup type list
- Click Stop
- Select Apply to confirm changes.
- Click OK to exit the dialog box
On to Removing all Windows firewall files and registry entries
- Click on Start, then Run
cmd, then press Ok
- Type the following command
sc delete SharedAccess
- Wait for about ~10 seconds for the command to complete
Reinstalling the Windows Firewall Service
Note: if the installer services fails, reboot into normal mode and try these steps again
- Open another command prompt, or use the one already opened in the preceding steps.
- Type the following command in full in the command prompt, and hit the Enter key on your keyboard.
rundll32 setupapi,InstallHinfSection Ndi-Steelhead 132 netrass.inf
- Wait for ~10 seconds for the command to complete.
- Next, to reset Windows Firewall, type the following command in full in the command prompt, and hit the Enter key on your keyboard.
netsh firewall reset
- Close the Command Prompt, and open the Control Panel
- Double-click the Windows Firewall option.
- Click Yes when prompted by a message asking you if you want to start the Windows Firewall/Internet Connection sharing (ICS) service.
This should fix your Windows Firewall Problem, but if it doesn’t, you may try performing a System Restore, or re-installing the version of Windows Service Pack problem on your computer.