To start, my problem appears very similar to another user's thread:
I am having problems with multiple programs either dropping to the desktop or completely locking up the computer. When logged, Windows event viewer and program logs will always have them exiting with 0xC0000005.
I have to date:
Monitored temperatures using HWMonitor. CPU / Motherboard / Memory look alright, the videocard (AMD R9 290X) will get up to about 85 degrees Celsius, but from what I'm reading the card normally runs hot under load and this is to be expected.
Booted x86MemTest on a USB stick, completed with no errors.
Used Prime95 and FurMark to stress test the CPU and video card, with no problems encountered.
Verified all drivers are up to date, played around with compatibility settings for some of the programs.
I had chalked the problem up to Windows 10, until I tried the same applications on another computer in the house also running windows 10 without problem.
Looking at other threads on this forum, I've pre-emptively attached the BSOD inspector report. Please let me know if there is other actions you wish me to take, and know that I am humbly grateful for any assistance that can be given.