Nod32 SS 3.0 and Windows Media Player sharing with other PC'S plus Xbox360

Ok, I recently upgraded all of my computers to Nod32 SS 3.0 to all of my computers in the house. Although after I installed the program on all of my computers most things, including general file sharing work. However, file sharing via windows media player does not work unless I turn the firewall completely off. For me, media sharing is a key part of my network and I am really missing it bad right now

What I have already tried
Attempt 1:Making sure the network is considered trusted on all of the computers
Result: File sharing works on all the computers
Attempt 2: Changing the firewall to Interactive mode
Result: Waste of a half an hour
Attempt 3: Create a custom firewall rule allowing all of the ports that the Xbox 360 troubleshooter says is necessary for media sharing to work.
Result: My computers now see the Xbox 360 but they still can't see Windows Media Player sharing from other computers and my Xbox360 still can't see my PCs
Attempt 4: Simply turning off the firewall
Result: Everything works perfectly. My Xbox360 can see my PC media sharing and my PCs can see my other PCs media sharing.

My set up is as follows

Computer 1
Custom Built Desktop
Network Type: Wired
Antivirus: Nod32 SS
OS: Vista Ultimate X86

• This is the computer where all of the files that I share is on.

Computer 2
HP Tablet PC
Network Type: Wireless
Antivirus: Nod32 SS
OS: Vista Ultimate X64


Computer 3
Gateway Laptop
Network Type: Wireless
Antivirus: Nod32 SS
OS: Vista Ultimate X86

Computer 4
Toshiba Laptop
Network Type: Wireless
Antivirus: Nod32 SS
OS: Vista Ultimate X86

Computer 5
Compaq Desktop
Network Type: Wireless
Antivirus: Nod32 SS
OS: Vista Ultimate X86

Xbox 360
Network Type: Wired

Router
Stanard Linksys wireless router with WPA2 personal wireless security.

So yeah, I am really stuck on how to get all this to work without completely diasabling the firewall. Some help would be appreciate, thanks

 

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