a co-worker is having problems...Win98SE, no special applications other then SPSS (not a problem)...450mhz system w/128 mb RAM. System just lock's up for no apparent reason at various times. It happens with various applications open, so can't track it to one specific one. Today it happened w/ Excel, Netscape, and Netscape Messenger open other times its other applications, once the screen saver started, the system crashed. It happens whether or not the screen saver is on, so thats not a solution...any ideas for tweaking??? The user is pretty much ruling out the reloading of the system so far...Any ideas would be appreciated....