[Freesurfer] Issue with freeview display in ubuntu/Xming on windows 10: failed to get the current screen resources

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Dear freesurfer experts,

I installed freesurfer on ubuntu 18.04 (Windows 10), that uses Xming. Freesurfer seems to work fine. However, I have troubles with freeview. Freeview opens but I cannot display images. I get the following error message when I open freeview:

failed to get the current screen resources QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-joszim' QXcbConnection: XCB error: 170 (Unknown), sequence: 174, resource id: 90, major code: 146 (Unknown), minor code: 20 QXcbConnection: XCB error: 170 (Unknown), sequence: 174, resource id: 90, major code: 146 (Unknown), minor code: 20

I have previously also installed FSL on ubuntu, and fsleyes that uses Xming works fine, so I guess Xming installation is not the issue.

Any help is appreciated.

Best wishes, Josua