Hi Pavel, > I am not sure, how should I test just with VcXsrv, > I tested with different versions of x2goclient where > are also tried to replace directory x2goclient/VcXsrc > with different versions of VcXsrv. As your experiments show, it is indeed a VcXsrv issue, and the way you chose to debug it is totally OK. What Mike#2 meant with "only VcXsrv" was that you should run a regular SSH session with X-Forwarding (PuTTY can do that, for example), have VcXsrv running, and start the application (in your case, LibreOffice) on the shell prompt. That way, X2Go isn't part of the equation and whatever bug you're seeing must be caused by another component. No need to try that for now, though, your test results should be sufficient. Mike#2 will let you know if not, I'm sure. Kind Regards, Stefan Baur -- BAUR-ITCS UG (haftungsbeschränkt) Geschäftsführer: Stefan Baur Eichenäckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364 Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243