CCleaner crashes my computer

Help me! When I installed CCleaner and opened CCleaner it crashed my computer resulting to a blue screen saying FATAL ERROR: (i forgot)

Well my computer is very old so heres the specs:

OS: Windows XP Professional (5.1,Build 2600)

Processor: Intel Pentium M 1.73 GHz

Memory: 1526 MB ram

Chip type: Intel 915GM/GMS,910GML Express Chipset

System Manufacturer: Sony Corporation

Max Ram: 2GB (2048MB)

(I used dxdiag)

Are you running xp with SP2 ?

If yes please see here

http://forum.piriform.com/index.php?showtopic=43027&p=260079