The host unexpectedly crashed with a blue screen, preventing it from booting. It’s using UEFI boot format and the system consistently fails to load properly. Switching to an MBR boot format (the older one) allows the system to start normally.

Following standard troubleshooting steps, we enabled remote desktop access, and another machine tested successfully – all network components were functioning correctly. Users log in as usual with their Microsoft accounts.

However, when attempting to log in via remote desktop, the error message “Login Failed” appears without any further information.

We use an easy-to-understand analogy to explain the relationship between digital currency “mining” and “accounting,” as well as why Bitcoin and Ethereum have different supply caps.