BSOD happened with fairly light use 2 times in the last month, and then twice already today with just half an hour or so in between. Only a Word document and a couple of IE tabs were open.
PC is just under 4 years old - i7-3770, no graphics card, 8gb (2x4) 1600 ram, 128gb main ssd, 500gb hd.
Diagnostic Test
RAM TEST
Run MemTest86+ to analyse your RAM. MemTest86+ - Test RAM - Windows 7 Forums
Note
MemTest86+ needs to be run for at least 8 complete passes for conclusive results. Set it running before you go to bed and leave it overnight. We're looking for zero errors here. Even a single error will indicate RAM failure.
Make a photo of the result and post it.
Addition:
If errors show up you can stop the test, remove all sticks but 1 and test this single stick in each slot for 8 passes or until errors show, switch sticks and repeat.
If errors show up and you see them a lot later, no problem, the errors don't affect the test.
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