On Monday 24 March 2008 12:04:06 pm Robert P. J. Day wrote: > this *is* on a 32-bit system. I can confirm the SAME behaviour as the OP (running FC8 on i386). My CPU is Pentium 4 (3.0 Ghz) and when I have Firefox with a couple of tabs open npviewer eats my system. I'm happy to know that I'm not the only one with this... Jorge