Multiple BSOD. More frequent as days go by.

[Triggerhand]

Hello, I need your help please.

Ever since I got my computer I've been having BSOD, Maybe once every two - three months. (2012)
Now within the passed two months its becoming now more and more frequent.
I get BSOD when I game, League of Legends, or browsing Reddit or watching Youtube. Sometimes when i leave my computer running over night, I'll wake up and its BSOD.
I've run memtest and its passed 7 times. I have no idea what that means tho, someone just told me to run it and come back if there are any errors.
I've added the file from SF Diagnostic Tools below.

I'm starting to get scared because I have all my essays and school work on this computer, I don't want to lose any of it.

 

[Golden]

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*                        Bugcheck Analysis                                    *
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Use !analyze -v to get detailed debugging information.

[COLOR="Red"]BugCheck F4[/COLOR], {3, fffffa800f50b610, fffffa800f50b8f0, fffff80003b807b0}

----- ETW minidump data unavailable-----
Probably caused by : csrss.exe

Followup: MachineOwner
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Bugcheck F4's are usually related to failing hard drive/s.

I would do the following in this priority:

• Backup all your user-created data immediately to an external USB drive. A simple copy & paste to external drive is all that is needed here

• Check the health of the hard disk using this:
  http://www.sevenforums.com/tutorials/313457-seatools-dos-windows-how-use.html

Report back once you have completed these steps.

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*                        Bugcheck Analysis                                    *
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Use !analyze -v to get detailed debugging information.

[COLOR="Red"]BugCheck 7A[/COLOR], {fffff6fc400097b8, ffffffffc000000e, 27beba860, fffff880012f7ca8}

GetPointerFromAddress: unable to read from fffff80003b09278
*** WARNING: Unable to verify timestamp for win32k.sys
*** ERROR: Module load completed but symbols could not be loaded for win32k.sys
Probably caused by : memory_corruption

Followup: memory_corruption
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Run MemTest86+ for a minimum of 8 PASSES:
http://www.sevenforums.com/tutorials/105647-ram-test-memtest86.html