I tried leaving my computer on overnight, and the crash doesn't happen anymore. Thanks for helping!

Thanks for replying, axe. I've tried what you suggested. I'll see how it goes.

I also cleaned the heatsink and fans in case that also had to do with the crash.

I've been getting this message for a while already. This happened not long after I moved (which was right at the end of last month), but not before then. I thought it was the Wi-Fi adapter driver, so...