Hello and welcome lachie now could you give us the system specs please if they are different to the ones you have listed in your post follow this
Now before we can help we do need to know what is in your machine so please do this
System Info - See Your System Specs
or either enter the specs of your system in your forum profile the specs will appear when we click on that little box bottom left of the post screen it is for me the preferable option as it is easy. As you may appreciate it is very hard when you don’t know what one is working with for example a diesel or petrol engine.
*(pretyped to save time)
Now I ma no expert and am seeing there are really a great number of BSOD's in the dumps and the dumps you have posted have a very common bugcheck in them
Code:
[COLOR="Red"]ntoskrnl.exe[/COLOR]
this could be just about anything however there is also this one which is more specific
Code:
BUGCHECK_STR: [COLOR="red"] 0x1a[/COLOR]
The one that is even more specific is this
Code:
[COLOR="red"]MEMORY_MANAGEMENT (1a)[/COLOR]
# Any other values for parameter 1 must be individually examined.
Arguments:
Arg1: 0000000000000031, The subtype of the bugcheck.
Arg2: fffffa80080b0270
Arg3: fffff8800469e000
Arg4: fffff8a00eaba911
I would suggest you follow this on the affected machine to start with but please follow it carefully especially the part re 8 passes.
MEMTEST
Now to make absolutely we are on the same page the memtest linked here is the only*one we recommend and it
MUST be run for at least 8 passes or you may as well not bother. It is rather lengthy and best left for a downtime for that machine - overnight is good. Having said that you can stop the test if errors show up while you are around and then it is a matter of tracking down the bad stick of RAM.*
RAM - Test with Memtest86+
(This is pretyped to save time)
Post back when the testing has completed keep in mind it does take some time to complete - just be patient but if as in my text the errors come up fairly quickly you can stop the testing.