Question / Help OBS Causing Computer Freezes?

Hi,
When I stream for 10-20 minutes using OBS it causes my computer to crash completely with a screen freeze and lock. Only way is to hard shut down my computer and restart. Anyone experienced with this able to assist me? I did a test stream with XSplit and there was no crash after 1 hour.

My PC:
Operating System
Windows 10 Home 64-bit
CPU
Intel Core i5 4670K @ 3.40GHz 51 °C
Haswell 22nm Technology
RAM
8.00GB Dual-Channel DDR3 @ 665MHz (9-9-9-24)
Motherboard
Gigabyte Technology Co. Ltd. Z87X-OC-CF (SOCKET 0) 28 °C
Graphics
BenQ XL2420Z (1920x1080@144Hz)
Intel HD Graphics 4600 (Gigabyte)
3072MB ATI AMD Radeon R9 200 Series (Sapphire/PCPartner) 49 °C
CrossFire Disabled
Storage
232GB Samsung SSD 840 EVO 250GB (SSD) 36 °C
931GB Seagate ST1000DM003-1CH162 (SATA) 32 °C
Optical Drives
SAMSUNG DVDWBD SH-B083A
Audio
Realtek High Definition Audio
 
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