Random onset BSOD - Ntoskrnl/wdfsys01000.sys

Hey all,

I just hope someone here can help with my problem. I have an ASUS N55SF laptop that is about 2 years old.
Very recently it has been giving me blue screen errors. I have used blue screen viewer, and tried updating
some drivers and my .net framework - however, it still seems to be happening. To my recollection I have not installed any recent new programs, the only thing that may update are games in my steam library.
I can power on my PC on safe mode with network connection indefinitely however, in windows proper it will blue screen at some point. Very recently now also the battery light is flashing orange - even when connected to AC power. I have looked through other topic posts but am unable to solve the problem on my own. I would be most grateful if anyone can help me!

OS - Windows 7 home premium 64bit
Processor - Intel® Core™ i7 2670QM CPU @ 2.20GHz
Graphics card - NVIDIA® GeForce® GT 555M 2GB DDR3 VRAM

As specified ALL my dmp files are attached - yeah there are a few.

Thanks in advance

Kind regards,

Saj

Hey
Many thanks for your prompt reply.
I have taken a break from that infernal machine,but will definitely try these once I'm back.
Thank you

Saj

Hey,

Back on the machine again. The only AV program I have is MSE. I used to have AVG - but unistalled that a long while ago. I have other malaware programs/registry cleaners - Ccleaner and Malawarebytes - should I uninstall these too? I will run the Memtest shortly and get back with the results.

Regards,

Saj