MonitoringHost.exe crashing loop, a cry for help.

Its norm. If SCOM agent unable find the SCOM host and keep on spawning its extra agent seek the host. Possible cause be network issues (route, outage, forgot pay network bill) or worst SCOM host has accidental shutdown for some hours or NO redundancy.

So much for nitemare, SCOM is a very powerful unimageable tools comparative with SOAR, SIEM and better than Next Generation firewall.