Hi,
3 of your dumps were bugcheck 1a which can mean an issue with your RAM.
The best test for possible defective ram is
memtest86
This guide will give you several options on how to test your ram including memtest86:
How to Test RAM: Making Sure Bad Memory Isn't Crashing Your PC
To check for possible Windows corruption run these scans:
File scans
Find command prompt in start, right click and run as admin. Type:
sfc /scannow
press enter and await results
In the same command prompt and after the above scan has finished type:
dism /online /cleanup-image /restorehealth
Press enter and await results (longer this time).