boot-up woes

I notice on occasion, my Windows Server 2003 Standard edition box (Dell 
Precision) will boot up incapable of cut or paste.  I have to reboot to 
enable it.  I am wondering if some service is not starting and if I can 
manually launch it to avoid the hassle of rebooting.

Also, on random reboots the video driver will cause the entire screen to 
flash every six seconds.  It is just an annoyance, but again wondering if 
the NVIDIA GeForce 256 drivers are buggy (checked for update and the wizard 
could not find a better match).

Finally, I typically keep at least one window maximized (usually working 
with Outlook, IE and one other app).  When I want to minimize all to show 
the desktop, the system freezes for 3 seconds.  Could it be a memory thing 
with my graphically intensive desktop background?  That is my guess, just 
wanted to know if perhaps any other ideas.

I have daily updated AV and Spyware (Zone Alarm Security Suite and Pest 
Patrol) and do full scan once a week -- comes up clean.  Also have hardware 
router to fortify software firewall... so pretty sure no one is hacking 
in... at least I hope.

Thanks in advance!


--
dwacon