Please zip and upload all the crash dump files located inside C:\Windows\Minidump folder. You can either attach it with the next reply or upload to a free file hosting site.
Secondly, follow instructions from the below link to post a Speccy snapshot of your system.
Thirdly, download and run Minitoolbox from the below link.
Run it and select only the below options.
* List last 10 Event viewer errors.
* List installed Programs.
* List users, Partition and Memory size.
Click GO and post the result in next reply.
If you can reproduce the issue by running a specific task, please describe the details also.