X server doesn't start

[Fabio Rossi]

> > 
> > I had already tried also with '-engine 1' but the result is the same.
> > 
> Well, this is quite odd.
> 
> I'm not sure I believe the "doesn't work at all on Windows 11" theory, 
> since I'd think we'd be hearing more about it, but something's not right.
> 
> You might try with '-logverbose 3', which might give a little more 
> information about how far it's getting.
> 
> I don't know what else to suggest apart from maybe stepping through the 
> code with gdb (install the xorg-server-debuginfo package as well) to see 
> where it's getting lost...

Thanks Jon for the suggestions. Right now I am wondering if the Sophos software is playing a key role in the problem. The antivirus has been installed after the operating system upgrade.