i havnt installed any hardware or drivers to my knowledge but event viewer has showed a couple of things:
i got some of these. Faulting application set7aa.tmp, version 7.1.100.1248, faulting module , version 0.0.0.0, fault address 0x00000000. under "application".

and this Error code 1000008e, parameter1 c0000005, parameter2 aaf1c928, parameter3 a7d8ba20, parameter4 00000000. under "system"