Scawen, ive checked me event logger within XP, cause i have been gettin crashes now and then (since the new patches), and according to the event viewer, its Xfire thats causing it for me..
Faulting application lfs.exe, version 0.0.0.0, faulting module xfire_toucan_19304.dll, version 1.0.0.19304, fault address 0x000201af.
if ya need more info bout this mate, gimmme a hola somehow and ill try and see wha i can do for ya