Hello sogeking and welcome to Sevenforums.
Let's look at a few issues you've been experiencing.
BSOD Report Memory Corruption & BCCode
You have had the 7f bugcode, which can be applied to a lot of things, but likely hardware issues. Everything is possible though. Your dump contains a memory halt and a bad call. To diagnose your RAM, we'll be using an action called Memtest86+. You can mount it directly from a flashdrive, or a disk if you so desire.
Memtest86+ Rough Summary Code:
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************
Use !analyze -v to get detailed debugging information.
BugCheck 7F, {8, 80050033, 406f8, fffff960001bb728}
Probably caused by : memory_corruption
Followup: memory_corruption
---------
SYSTEM_SERVICE_EXCEPTION (3b)
An exception happened while executing a system service routine.
Arguments:
Arg1: 00000000c0000005, Exception code that caused the bugcheck
Arg2: fffff960000b5967, Address of the instruction which caused the bugcheck
Arg3: fffff8800ab5ef60, Address of the context record for the exception that caused the bugcheck
Arg4: 0000000000000000, zero.
---------
VIDEO_MEMORY_MANAGEMENT_INTERNAL (10e)
The video memory manager encountered a condition that it can't recover from. By crashing,
the video memory manager is attempting to get enough information into the minidump such that
somebody can pinpoint what lead to this condition.
Arguments:
Arg1: 000000000000001f, The subtype of the bugcheck:
Arg2: fffff8a011db2890
Arg3: 0000000000000000
Arg4: 0000000000222b7f Driver that should be updated
DB3G.sys or Diamondback USB Optical Mouse Driver timestamp is fairly old and likely uncomfortable with Windows 7. Update it, or delete if you're not using the Optical Mouse anymore.
Razer Support and Driver Downloads DirectX files
Your dump has a hard time finding a timestamp on your DX-files. I recommend updating them by following the link.
Direct-X download SFC /SCANNOW
Windows 7 blames corrupted Windows files. It does this if it cannot find appropriate
drivers or hardware modules to blame, but it's likely your system files can be damaged or changed.
Do a SFC /SCANNOW and report back.
Using the command properly Graphic related 10e VIDEO_MEMORY_MANAGEMENT_INTERNAL (10e) was tricked and means the Memory Management encountered a condition it didn't like at all and couldn't recover from it.
Let's start off by updating or re-installing your Graphic Driver, it may be broken. By following this tutorial, you'll have no leftover files at the end of the installation.
i) Make your way to
Nvidia Driver- page
ii) Uninstall the one you currently have and all its extensions
iii) Download
Driver Sweeper
iv) Get to safe mode (without network) and search for Driver Sweeper in your

v) Select all ATI components and analyse them
vi) Clean them, head into Windows
without internet and download the driver).
After, do a default-scan with
CCleaner.
Best Regards,
Frederik.