Home assistant mini pc turn off for no reason

hey im new in home assistant almost 3 month’s and till now everything work great and I progressed quite quickly , but now I got stuck , i have mini pc intel lake n100 8-ram and every couple day my pc shutdown for no reason, im running home assistant on proxmox (that the only thingim running on proxmox) and i can’t find a good reason for that, So I would love to hear from you to know what you suggest I do to overcome the problem

Upgrade to Proxmox VE 8