dancing polies?!?!? help plz

O.k. here's what I'v got:

amd athlon xp 1700+
asus a7v266-e
msi g4mx440
win2kserver

The problem:

so far i'v had problems playing 3 games
1.sacrifice: froze as soon as game loaded
fix: edited reg32 as per microsofts directions:
seems to have worked
2.no one lives forever: the polygons seem to move around, the background polys jump to the front and characters are obscured by everything, fix: need one
3.(dont laugh)typing of the dead: same problem as 2. fix: need one

plz help i'v looked on the sites and don't seem to be able to find anything that helps

any ideas would be great tia


p.s. i realize this may not be the right place but i cant find anything so i'm diggin for anything anywhere
sorry for any inconvienance(spelling is not my best suit)

p.p.s.another problem has come to my attention msn messenger won't load. if i try the desktop icons and taskbar disapear and then reappear, but no msn. again anything would be helpful

Where the hell is the power botton on this damned thing!!!