Well this is great. A while ago, I started having this.
*Turns on my computer, computer has Acer boot screen with the sound*
*Vista runs with that loading bar*
*BSoD suddenly pops and goes*

And here's what it said:

Code:

Problem signature:
  Problem Event Name:    BlueScreen
  OS Version:    6.0.6001.2.1.0.768.3
  Locale ID:    4105

Additional information about the problem:
  BCCode:    1000007e
  BCP1:    FFFFFFFFC0000005
  BCP2:    FFFFFA6000B5BAAB
  BCP3:    FFFFFA6001B60E38
  BCP4:    FFFFFA6001B60810
  OS Version:    6_0_6001
  Service Pack:    1_0
  Product:    768_1

Files that help describe the problem:
  C:\Windows\Minidump\Mini040209-01.dmp
  C:\Users\Ivan\AppData\Local\Temp\WER-45131-0.sysdata.xml
  C:\Users\Ivan\AppData\Local\Temp\WERCC33.tmp.version.txt

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Check out the minidump and see what is causing the crash, perhaps a recently installed program

Did you run Anti Virus and Anti Spyware & Malaware just to be sure is not a virus, worm?

BCCode: 1000007E
The BCP1 code (C0000005) memory access violation

means a system thread created an exception, your error handler didn't catch it, and your system crashed. The BCP1 code (C0000005) means a memory access violation occurred. This could mean your RAM is bad, one of your drivers is corrupt, adware/spyware, or just incompatible software.

Check for Integrity Violations:
System Files - SFC Command