Digital Access Protocol Service

Hi.Don't know if anyone can help here.I have been connected to Limewire without a problem until today.When I turn on my computer,a box pops up saying Limewire was unable to start the digital audio access protocol service (for sharing files in i tunes)This feature will be turned off.You can turn it back on in options under itunes->sharing

I went there and it said it was turned on to sharing.I clicked apply,restarted,but no luck.Later,it did appear unticked,so I ticked it,pressed apply,but still nothing,as it says Limewire has detected a firewall.I set my McAfee allowing Limewire full connection,and usually it takes 10 minutes to connect,but today nothing!Is it my McAfee playing up or this digital audio thingy?I am no Einstein when it comes to computers,but this is confusing,especially as it was fine 2 days ago
I have windows xp,running Limewire 4.14.8

Hmmm...sorry folks.You can ignore it now.I seem to have connected Don't know what it was all about.Checked my firewalls,all was well,came back on and minutes later,Eureka!Computers are strange things...