I'm using avast free, I don't think I have any other firewall installed. I saw a firewall checker in your toolbox, I think I'll check that out and get back to you.
edit: Using your firewall detector, yeilded no results until I checked "Show Microsoft Devices", which I'm assuming means that windows firewall is the only one running.
here's the log your program created.
Scanning...
Date: 1/5/2012 Time: 6:14:25 PM
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HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Dhcp
--Description: @%SystemRoot%\system32\dhcpcore.dll,-101
--DisplayName: @%SystemRoot%\system32\dhcpcore.dll,-100
--ImagePath: C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted
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HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Dnscache
--Description: @%SystemRoot%\System32\dnsapi.dll,-102
--DisplayName: @%SystemRoot%\System32\dnsapi.dll,-101
--ImagePath: C:\Windows\system32\svchost.exe -k NetworkService
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HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\dot3svc
--Description: @%systemroot%\system32\dot3svc.dll,-1103
--DisplayName: @%systemroot%\system32\dot3svc.dll,-1102
--ImagePath: C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted
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HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\lmhosts
--Description: @%SystemRoot%\system32\lmhsvc.dll,-102
--DisplayName: @%SystemRoot%\system32\lmhsvc.dll,-101
--ImagePath: C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted
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HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\RasAcd
--Description: Remote Access Auto Connection Driver
--DisplayName: Remote Access Auto Connection Driver
--ImagePath: System32\DRIVERS\rasacd.sys
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HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Wlansvc
--Description: @%SystemRoot%\System32\wlansvc.dll,-258
--DisplayName: @%SystemRoot%\System32\wlansvc.dll,-257
--ImagePath: C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted
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HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\WwanSvc
--Description: @%SystemRoot%\System32\wwansvc.dll,-258
--DisplayName: @%SystemRoot%\System32\wwansvc.dll,-257
--ImagePath: C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
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Done, Scan Complete.
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