ok i got the 4.03 version running on the following spec p4 1.6ghz 512 mb rambus rimms at 800 mhz intel 850 chipset win2k pro 64 mb mx400 vid card here's my problem whenever i render i get a big blue bar appear on my left hand side of the screen render seems ok.... but is annoying as hell just upgraded from athlon 1.333 ghz with 256 of rdram same o/s and vid card and i had no probs anyone else had this yet?