Windows 7 crashing randomly

The processor, actually .....

Code:

Processor    AMD FX(tm)-6300 Six-Core Processor, 3500 Mhz, 3 Core(s), 6 Logical Processor(s)

The processor, at work ....

Code:

CP  F/M/S  Manufacturer     MHz
 2 21,2,0  AuthenticAMD    3762

And overclocking is a foremost cause of stop 0x124.

As you are getting BSODs, you should stop overclocking and run all the hardware components like CPU, GPU and RAM to their default settings. See how it runs at the stock hardware settings.

Let us know.
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Code:

BugCheck 124, {0, fffffa80081af688, 0, 0}

Probably caused by : AuthenticAMD

Followup: MachineOwner
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How have you done it? It should be the same way.

You set the BIOS to defaults? Well done.

Now if it BSODs again then post the files again.

CPU is running at the normal speed now.

Code:

CP  F/M/S  Manufacturer     MHz
 0 21,2,0  AuthenticAMD    3507

But still stop 0x124 continues.

Code:

BugCheck 124, {0, fffffa80081b2238, 0, 0}

Probably caused by : AuthenticAMD

Followup: MachineOwner
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It is generally said that the stop 0x124 is a hardware related BSOD, but actually it may be caused by anything and everything associated with the computer's environment. Let us start with some basic hardware checks .....

Test your RAM modules for possible errors.

How to Test and Diagnose RAM Issues with Memtest86+

Run memtest86+ for at least 8 consecutive passes.

If it start showing errors/red lines, stop testing. A single error is enough to determine that something is going bad there.

Stress test the Graphics Card using Furmark.

Video Card - Stress Test with Furmark

Take a screenshot of the furmark window before closing it. Upload the screenshot for us.

Stress test the CPU.

Hardware - Stress Test With Prime95

It saves the result as a .txt file in the prime95's folder. Upload the file for us.

Check if the Power Supply Unit (PSU) supplying adequate power to the computer or not.
eXtreme Power Supply Calculator - The only power supply calculator trusted by PSU manufacturers and computer enthusiasts
Also let us know the wattage of the PSU.

Is the computer hot? Report us the heat of the computer after a couple of hours of your normal usage. Upload a screenshot of the summery tab of Speccy. Alternatively, you can publish a Speccy snapshot too: Speccy - Publish Snapshot of your System Specs .

Let us know the results.

So it crashed during Prime95?

Can you supply the log .txt file that prime95 created? Your report makes that file important.