X server doesn't start

[Fabio Rossi]

> > LoadPreferences: Loading /etc/X11/system.XWinrc
> > LoadPreferences: Done parsing the configuration file...
> > winDetectSupportedEngines - RemoteSession: yes
> 
> Huh, this indicates that you're using RDP (or similar). Is that the 
> case?  If so, do things work correctly in a local session?

I confirm I was connected via RDP, I have also tried with a local session after disabling RDP service: same result.

> > winDetectSupportedEngines - DirectDraw4 installed, allowing ShadowDDNL
> > winDetectSupportedEngines - Returning, supported engines 00000005
> 
> Is the XWin process hung at the point? or has it crashed?

the process exits cleanly, the return code is 0.

> Since it seems like the problem is occurring while initializing DD4, 
> perhaps adding the command line argument '-engine 1' might work around it?

I had already tried also with '-engine 1' but the result is the same.

$ XWin -engine 1
Welcome to the XWin X Server
Vendor: The Cygwin/X Project
Release: 1.21.1.21
OS: CYGWIN_NT-10.0-26200 xxxx 3.6.9-1.x86_64 2026-04-21 15:46 UTC x86_64
OS: Windows 10  [Windows NT 10.0 build 26200] x64
Package: version 21.1.21-1 built 2026-01-16

XWin was started with the following command line:

XWin -engine 1

(--) Windows reports only 2 mouse buttons, defaulting to -emulate3buttons
(II) xorg.conf is not supported
(II) See http://x.cygwin.com/docs/faq/cygwin-x-faq.html for more information
winUpdateDpi - primary monitor native DPI x 96 y 96
LoadPreferences: /home/pcad/.XWinrc not found
LoadPreferences: Loading /etc/X11/system.XWinrc
LoadPreferences: Done parsing the configuration file...
winDetectSupportedEngines - RemoteSession: yes
winDetectSupportedEngines - DirectDraw4 installed, allowing ShadowDDNL
winDetectSupportedEngines - Returning, supported engines 00000005