Unable to download security patches

Archived from groups: microsoft.public.win2000.setup_upgrade (More info?)

I am sending this to several newsgroups, because I am not sure which is the
most appropriate one. I apologize for the multiple postings.

I am trying to download security updates for Windows 2000 Professional, and
I am unable to get the downloads to work.

Because of multiple past security problems with Internet Explorer and
Outlook Express, I have had to equip my system with the following security
applications:
ZoneAlarm
Spybot Search and Destroy
Secretmaker
AdAware

Do I have to disable all these to get the download to work? How can I
download the updates while still protecting my system as much as possible?

Thank you.
Colleen