Running a Mac using Bootcamp?
Does Windoze keep crapping out?
Are you running an Apple fusion drive (a.k.a. a hybrid drive)

I have (so far) had no issues after I installed Windows/boot camp on an external USB Drive. so far...fingers crossed.

To install Bootcamp on an external drive. A bit tedious but it works:
https://9to5mac.com/2020/07/14/install-windows-mac-external-ssd-drive-boot-camp-2020-video/