My Dad's pc is having some bsod issues
. They are not frequent, but do seem to be random and the error is different every time. I've been keeping track of them this month and it's had three so far. One was on the 01/02/2012, one on 02/02/2012 and the last one was 20/02/2012. So pretty random.
Errors from bluescreen view are
01/02/2012 - KMODE_EXCEPTION_NOT_HANDLED. Bug check code 0x0000001e. Caused by driver ntoskrnl.exe, Caused by address ntoskrnl.exe+7cc40
02/02/2012- INTERRUPT_EXCEPTION_NOT_HANDLED. Bug check code 0x0000003d. Caused by driver nvlddmkm.sys. Caused by address nvlddmkm.sys+290783
20/02/2012- PAGE_FAULT_IN_NONPAGED_AREA. Bug check code 0x00000050 . Caused by driver Ntfs.sys. Caused by address Ntfs.sys+d9bb.
Haven't got the logs, but pretty much same for other months, random error and random times. Tried to solve them, but having no luck
.
System is
Gigabyte GA-770t-ud3
Athlon II x3 450, with 4th core unlocked.
4GB OCZ memory
MSI 7800GTX.
Far as I can tell, it's not hardware. I've done all the usual tests. Memory passes multiple runs of memtest. Let it run 3 times which took ages and no errors. System will happily prime as well, let it run for over 12 hours priming and no errors. So hardware is stable and they still occur when running 3 cores anyway.
All drivers are up to date.
HDD windows is on is pretty old, but passes all health tests fine, I suppose it could be an intermittent fault.
Suggestions? or any idea the cause of these bluscreens
.

Errors from bluescreen view are
01/02/2012 - KMODE_EXCEPTION_NOT_HANDLED. Bug check code 0x0000001e. Caused by driver ntoskrnl.exe, Caused by address ntoskrnl.exe+7cc40
02/02/2012- INTERRUPT_EXCEPTION_NOT_HANDLED. Bug check code 0x0000003d. Caused by driver nvlddmkm.sys. Caused by address nvlddmkm.sys+290783
20/02/2012- PAGE_FAULT_IN_NONPAGED_AREA. Bug check code 0x00000050 . Caused by driver Ntfs.sys. Caused by address Ntfs.sys+d9bb.
Haven't got the logs, but pretty much same for other months, random error and random times. Tried to solve them, but having no luck

System is
Gigabyte GA-770t-ud3
Athlon II x3 450, with 4th core unlocked.
4GB OCZ memory
MSI 7800GTX.
Far as I can tell, it's not hardware. I've done all the usual tests. Memory passes multiple runs of memtest. Let it run 3 times which took ages and no errors. System will happily prime as well, let it run for over 12 hours priming and no errors. So hardware is stable and they still occur when running 3 cores anyway.
All drivers are up to date.
HDD windows is on is pretty old, but passes all health tests fine, I suppose it could be an intermittent fault.
Suggestions? or any idea the cause of these bluscreens
