PC Random Crash

Hello, Jay2OR. I will try to help. You had 2 dump files. the first was a generic hardware error.

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Code:

Use !analyze -v to get detailed debugging information.
BugCheck 124, {0, fffffa800818b028, be000000, 100110a}
Probably caused by : GenuineIntel
Followup: MachineOwner

A 0X124 error is a generic hardware error. It means that some piece of hardware has failed/is failing or a driver is bad enough to make the piece of hardware act as though it is failing. The other dump lists

[CODE]Use !analyze -v to get detailed debugging information.
BugCheck 1000007E, {ffffffffc0000005, fffff880050ab783, fffff88012ec56a8, fffff88012ec4f00}
Probably caused by : cthda.sys ( cthda+d783 )
Followup: MachineOwn


Which is a Conexant HD Audio Driver See if you can find an updated driver.

Also, please open an elevated command prompt ( click start, type cmd in the search box, right click on the cmd entry and select run as administrator) in the black box that opens, copy/paste sfc /scannow. If you decide to type it, notice the space between the sfc and the /. It is a system file checker which will scan your system files and attempt to correct any missing or corrupt files. What we want are the results to say windows found no integrity violations. If it says files were found but could not be repaired, close the box, reboot and run it again, after opening the administrative command prompt. You may have to reboot and run it three times for it to repair all system files. If it can't repair them after 3 reboots, let us know.