Quote Originally Posted by 'The_Whack',index.php?page=Thread&postID=74574#pos t74574
Thats really odd, thees no reason you shouldn't be able to run 2 instances with your set-up.

I would go bare bones with WoW and your OS and trouble shoot a bit.

With WoW: NO AddOns! (Honestly, AddOns killed it for me when running 5 instances of WoW, now Main runs a lotta Addons and slaves run like 2-3 each.) If that doesnt help, try go into video options, turn everything down and make sure your in Windowded Mode, specially if your running KeyClone maximizer.

With the PC, are you running Vista or XP? Vista maxed out uses about 700MB ram.... maybe scale that back to "Clasic Mode"?

What else, maybe bad ram? download a freebee Ram checking software and see if its ok or not.

Thats where I would start but I'm no expert, maybe someone else might have an idea?

EDIT: I forgot your running 2 monitors, try just using 1 and trouble shoot from there.
Solid advice, here. And I'm a QA tester/manager by profession.