excuse my ignorance but this is my first post and i'm at my wits end.
i've used limewire for months but suddenly have a firewall blocking access.
i have windows vista and norton security.
windows firewall is off and nortons is on however i have allowed limewire access in both instances.
problem is i don't know what programme is blocking access. is there any way i can find the programme blocking access or is there another way around this.
any help appreciated before i go insane.

Is your LW connected at all? How many green/blue connection bars do you see?

Try removing all LW rules from Norton's firewall & then start from scratch & add new ones. The 2 links below have some info.
PortForward.com - Free Help Setting up Your Router or Firewall
http://www.gnutellaforums.com/226610-post6.html

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thanks for that but it hasn't helped.
i have 1 bar on the connection indicator and am still showing a firewall detected.
windows vista firewall remains off, i have removed and reinstalled LW and have reset all norton blockers to allow access for LW. what i can't understand is that i had access but have lost it in the last week without changing anything.
could it be a windows update that has caused the blockage.
my router is a BT voyerger 220v but this hasn't been an issue in the past.
i tried the suggested links but nothing has changed.
getting stressed now as i still have no idea where the firewall is coming from.
thanks again
s

One connection bar means you're not connected.

The port forward configuration for the BT voyager 220v doesn't show any UPnP option in the images it shows, but perhaps it's simply left out of the images. The ISP BT in UK has been known to cause problems for a few people. It appears BT might have started shaping bandwidth for p2p users during peak hours. They might also be blocking certain port ranges for p2p program use.

A recent case, they port forwarded their modem/router using a port between 49152 - 65535 & it solved their firewall issue. They were using a BT Hub however.

'If' you wish to try this option, the first thing to do is set up a Static ip address: Choose your operating system to Set up a Static ip. This is the most important step actually.

2nd & 3rd steps are listed here: Port Forwarding for the BT Voyager 220V except (a) choose a port between 49152 - 65535 instead of 6345, & in LW's Advanced > Firewall setting, make both listening & connection port the same as you port forward for the voyager, (b) Port forward either with combined TCP & UCP, else one for each. LW does need both.

At least until you connect: In LW's Tools > Options > Advanced > Performance, disable all those options.

Not sure about the Voyager, but for 'some' devices, you need to reboot the device to get such changes into operation. A reboot of computer might not hurt either, as this will help to clear the system of any possible 'old' loaded settings. (This is not necessary, but 'does' make a difference on 'some' systems.)