cannot open display: :0

[hakiri]

Environment

**Windows build number:** Microsoft Windows [version 10.0.21364.1] 

Platform ServicePack Version      VersionString
-------- ----------- -------      -------------
 Win32NT             10.0.21364.0 Microsoft Windows NT 10.0.21364.0

**Your Distribution version:** 
Distributor ID: Ubuntu
Description:    Ubuntu 20.04.2 LTS
Release:        20.04
Codename:       focal

**Your WSLg version:** 1.0.17

WSLg ( x86_64 ): 1.0.17+3.Branch.master.Sha.a526dfd5ad03d126bb2d8c528f6c3563e86a40da
Mariner: VERSION="1.0.20210224"
FreeRDP: e4a2fc2053bd8c5f99455fcd08ffee7e5591567a
weston: fd961f5cd116c9358d82ce94d139c1578e21bd00
pulseaudio: 2f0f0b8c3872780f15e275fc12899f4564f01bd5
mesa:

Steps to reproduce

WSL logs:

• Attach WSLg logs from /mnt/wslg

You can access the wslg logs using explorer at: \\wsl\<Distro-Name>\mnt\wslg (eg: \\wsl\Ubuntu-20.04\mnt\wslg)

• puseaudio.log
• weston.log
• versions.txt

Expected behavior

Actual behavior

Unable to init server: Could not connect: Connection refused

(gedit:496): Gtk-WARNING **: 12:09:11.931: cannot open display: :0

[noomz]

Can you try this workaround:

1. Attempting to run GUI apps returns an error #19 (comment)
2. WSLg - Works from Windows Menu, but impossible to launch from terminal #57 (comment)

[mrconnerton]

My issue when got this was #19 (comment)

[spronovo]

@hakiri could you also share your /mnt/wslg/weston.log

[hakiri]

My issue is resolved by uninstalling and reinstalling Ubuntu 20.04

[spronovo]

Thanks @hakiri, i'll resolve this issue for now. If you hit problem with X applications having trouble connecting to WSLg's X server, please take a peek at this wiki page for diagnostic.

https://github.com/microsoft/wslg/wiki/Diagnosing-%22cannot-open-display%22-type-issues