Having a similar problem, service starts then stops.
What is shown in application event log is:-
Application Error 1000 Faulting application name: nxserver.bin, version: 8.16.1.0, time stamp: 0x00000000 Faulting module name: OLEAUT32.dll, version: 10.0.26100.3624, time stamp: 0xf9de6395 Exception code: 0xc0000005 Fault offset: 0x000000000009eaf3 Faulting process id: 0x4B44 Faulting application start time: 0x1DBA0AC0E6634FF Faulting application path: C:\Program Files\NoMachine\bin\nxserver.bin Faulting module path: C:\WINDOWS\System32\OLEAUT32.dll Report Id: bdf7c7ac-a710-42b2-950d-cc1db345f434
This happens before I am able to connect to this server.
Running NoMachine free version on Windows 11 24H2. NoMachine version 8.16.1