Hii!! my windows server is throwing this error and server gets shut down automatically. Why and how to resolve

[Windows Server]

"The process C:\Windows\system32\winlogon.exe (MSAPPSERVER3) has initiated the power off of computer MSAPPSERVER3 on behalf of user NT AUTHORITY\SYSTEM for the following reason: No title for this reason could be found Reason Code: 0x500ff Shutdown Type: power off"

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