Firewall in Windows XP Greyed Out
- Follow these steps at your own risk
- Click Start, Run and type Regedit.exe
- Navigate to the following location:
HKEY_LOCAL_MACHINE \ SOFTWARE \ Policies \ Microsoft \ WindowsFirewall
- Backup the key and then delete the WindowsFirewall branch.
- Close Regedit.exe and restart Windows.
After restarting Windows, execute the following command at the Command Prompt:
CMD /K NETSH FIREWALL RESET
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