Open ports on XP Home computer

[Greenhills]

I tested a friends computer at www.grc.com (Steve Gibson's Shields Up!). According to the port scan test, he has port numbers 135 (RPC?) and 1024 (DCOM?) wide open, whilst my computer is running in full 100% Stealth mode. I'm running XP Professional with ZoneAlarm Personal, he's running XP Home with McAfee firewall.
He hasn't any problems with "computer bugs" and he's has all the latest Windows updates installed.
Is this an operating system issue, a firewall problem or something else?
I'd welcome your feedback.

Thanks.

Greenhills.

[mikeandike22]

it doesnt matter i have ports open to but it doesnt do much to your computer as long as you dont mess around with your ports to much

[crunchie]

I am not familiar with McAfee, but there probably is an option to configure the firewall to stealth those open ports. I run Sygate Professional & come up 100% stealth out of the box.

From GRC;

http://www.grc.com/port_1024.htm
http://www.grc.com/port_135.htm