Thanks!

The client OS is in fact Windows, and I think they only have single user (like home edition or whats it called). We have tried connecting via putty and straight SSH works. We have tried giving x2go client a standalone VcxSrv but didn¹nt help.

Is there a , I guess, well defined setting (local port(s) for X11?) to specifically check Antivirus for?

-- Grigory Shamov

WestGrid Site Lead / HPC Specialist University of Manitoba E2-588 EITC Building, (204) 474-9625

On 2019-02-19, 4:12 AM, "x2go-user on behalf of Stefan Baur" <x2go-user-bounces@lists.x2go.org on behalf of X2Go-ML-1@baur-itcs.de> wrote:

Am 15.02.19 um 17:00 schrieb Grigory Shamov:

...

We are running X2go servers on CentOS 6 Linux; other clients (MacOS, other users with Windows 7 and 10) seem to connect fine. So the problem likely is with the client. I believe the Windows x2go client comes with an X11 server bundled with it and configured.

Could anyone suggest what could be the reason for such errors, have anyone encountered them before? Any advice much appreciated! Thanks!

If it's only happening on one client, my guess would be that the client installation is broken somehow.

This could be just about anything - hardware failure (disk, RAM), malware, an overzealous AntiVirus, or just a plain misconfiguration or filesystem error.

The easiest way would probably be to create another user account on the same client and try it with that one - to see if the problem is with the user or the machine. To cross-check, have the affected user try to log in using X2GoClient on a different machine.

If the problem persists and is tied to the machine, the next try would be to perform a clean uninstall of X2GoClient, reboot, then reinstall X2GoClient from a newly downloaded copy of the installer.

If it's tied to the user, compare group memberships both on the client and on the server side between the affected user and a user having no issues, also, let the user try to log in using plain SSH (PuTTY) and possibly with X-Forwarding and a manually started X-Server on the client, to see if the issue is with X2Go or with the underlying operating system/permissions/whatever.

Kind Regards, Stefan Baur

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