Experiencing weird momentary crashes with no error message. System comes back after some moments but its annoying.

As the title says. Im in finals week and I really need my PC functional. Ive followed some guides on maximizing performance but I don't think it should be causing anything like this. Just a few minor registry edits and removing bloatware. I upgraded about a month ago from 10 and I had no issues, so im really not sure what's going on. Any assistance would be greatly appreciated.
https://filebin.net/137n2lll4taax9id