Windows onprem installation net start DsExampleSvc Error

when running the example i got this error

The ONLYOFFICE Document Server Example service is starting…
The ONLYOFFICE Document Server Example service could not be started.

A system error has occurred.

System error 1067 has occurred.

The process terminated unexpectedly.

thanks for your help

Hello,
What is the particular Windows Server OS version on which you are installing Document Server?
Is it a clean machine?
What is the Docs version that you are installing?

Hello

Is windows 2019, but is not a clean machine unfortunately i have already a nodejs running. I’ll try with a clean one and I’ll update you

Many thanks
Aldo