I have installed the current x2go-client (4.1.2.0) on two Windows computers. Under Win7 the sound works fine. Not under Windows 10, because the program PulseAudio does not start! When starting the program on the command line, these messages appear:

   Microsoft Windows [Version 10.0.18362.418]
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   C:\Program Files (x86)\x2goclient\pulse>pulseaudio.exe
   W: [(null)] pulsecore/core-util.c: Secure directory creation not supported on this platform.
   W: [(null)] pulsecore/core-util.c: Secure directory creation not supported on this platform.
   W: [(null)] pulsecore/core-util.c: Secure directory creation not supported on this platform.
   W: [(null)] pulsecore/core.c: Failed to allocate shared memory pool. Falling back to a normal memory pool.
   E: [(null)] daemon/main.c: Daemon startup without any loaded modules, refusing to work.
   W: [(null)] pulsecore/core-util.c: Secure directory creation not supported on this platform.

   C:\Program Files (x86)\x2goclient\pulse>