Fast boot, delay after 1st login if privileged action required

Hi NG,

I use Vista 32 bit and have a strange behaviour. Perhaps someone knows
the reason?

System boot time to login is 30 sec. This is quite fast, I guess
(compared to XP which takes remarkable longer).

After login everything is working fine. Web and LAN access is available.

Only if I launch a program that requires privileged rights (full admin
access) like regedit or access to a restricted folder etc. it takes
exactly to 2 minutes after 1st login until this action is executed. If
this delay of 2 minutes after 1st login is over I can repeat the same
action and any other that requires privileged rights without any further
delay. Strange, isn't it?

Do others notice the same behaviour and is there a way around this?

BTW, machine is a Dell Latitude D400 with 1.5 GB RAM. It doesn't matter
if I use Vista Ultimate or another version. Occurs with English and
German versions, too.

Thank you all
Linus