Windows XP Firewall disabled

Fixing Windows Firewall
1. Registry Fix
a. Click Start -> Run and type "Regedit.exe" (without quotes)
b. Navigate to "HKEY_LOCAL_MACHINE \ SOFTWARE \ Policies \ Microsoft \ WindowsFirewall"
c. Backup the key and then delete the WindowsFirewall branch.
d. Close Regedit.exe and restart Windows.

2. Group policy Fix
a. Click Start, Run and type Gpedit.msc
b. Navigate to Computer Configuration ->Administrative Templates ->Network ->Network Connections ->Windows Firewall -> Standard Profile
c. Set the following options to Not Configured (defaults)
* Windows Firewall: Protect all network connections
* Windows Firewall: Do not allow exceptions
* Windows Firewall: Define program exceptions
* Windows Firewall: Allow local program exceptions
* Windows Firewall: Allow remote administration exception
* Windows Firewall: Allow file and printer sharing exception
* Windows Firewall: Allow ICMP exceptions
* Windows Firewall: Allow Remote Desktop exception
* Windows Firewall: Allow UPnP framework exception
* Windows Firewall: Prohibit notifications
* Windows Firewall: Allow logging
* Windows Firewall: Prohibit unicast response to multicast or broadcast requests
* Windows Firewall: Define port exceptions
* Windows Firewall: Allow local port exceptions
d.Exit Group Policy editor and restart Windows.