Same issue with Windows 10 and the latest version 5.2.11
nxserver.log
2017-02-16 09:50:49 875.525 5812 NXSERVER WARNING! Process ‘C:\Program Files (x86)\NoMachine\\bin\\nxexec –server –status’ with pid ‘2096/708’ finished with exit code 1 after 0,031 seconds.
nxservice.log
2512 3896 19:15:55 726.602 nxserviceExecuteProcess: ERROR! Read failed.
2512 3896 19:15:55 726.602 nxserviceExecuteProcess: Error is 32, ‘Broken pipe’.
nxerror.log
Error: Cannot send request to NXLSA package.
Error code is : 0.
Package’s response is : 0xc0000001.
Error: Cannot execute nxserver process.
Error code is : 0.
Error: Server exec failed.