This looks like a bug in vcxsrv. You could try to run an other x server on
Windows (settings menu in the x2go client). Or download the current vcxsrv
1.19.something from SourceForge.

Uli

<x2go@0bl.net> schrieb am Do., 29. März 2018, 00:57:

> I have the same problem even with a single monitor system.
>
> Environment:
> - x2goserver 4.1.0.0 (ArchLinux)
> - Client: Windows 10 Build 1709
> - Desktop: xfce4
>
> Steps to reproduce:
>
> - Open Windows client (4.1.1.1), start a new session with "Connect to
> local desktop" (resolution does not seem to matter, but I'm using windowed
> 1650x1010)
> - Click "Full access"
> - As soon as the "New session" window appears, x2goclient crashes.
>
> Older versions of both the client and server (tried different
> hardware/distros on the server also) exhibit the same issue.
>
> Backtrace from Dr. Mingw of the debug exe:
>
> vcxsrv.exe caused an Access Violation at location 000000006E34F608 in
> module MSVCR120.dll Reading from location 0000000006E04648.
>
> Registers:
> eax=01e1c71c ebx=07018154 ecx=0000067f edx=00000000 esi=06e04648
> edi=07018154
> eip=6e34f608 esp=00b3f3e4 ebp=00000147 iopl=0         nv up ei pl nz na po
> nc
> cs=0023  ss=002b  ds=002b  es=002b  fs=0053  gs=002b
>  efl=00010206
>
> AddrPC   Params
> 6E34F608 07018154 06E04648 000019FC  MSVCR120.dll!memcpy
> [f:\dd\vctools\crt\crtw32\string\i386\memcpy.asm @ 305]
> 0103B708 00000018 00000000 06BF1F8C  vcxsrv.exe!ErrorF
> 77231659 00000000 00000000 00000000  ntdll.dll!_RtlpAllocateHeapInternal@16
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