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If freeview is expecting the X-server to provide fonts for text entry, then it could be the X-server on the Windows side does not have the fonts installed for text entry, etc. to work.    If you are using Xming for the X-Windows server, their web page has a section under “Xming-fonts” about how to download and install them.  It mentions the X-server side fonts were removed from the XMing installer because it makes the install footprint larger.
http://www.straightrunning.com/XmingNotes

In a Linux shell in WSL2 you try running the “xterm” command and when it comes up, see if you can type/enter text in the xterm window.

An alternative would be to try a different X-server on the window host which I believe MobaXterm provides. My impression is MobaXterm is easier to setup compared to Xming.
https://mobaxterm.mobatek.net/

If however freeview is using the fonts on the linux side for text entry, then something may not be right with the font setup in the WSL2 Linux VM.

- R.


On Mar 24, 2025, at 18:07, Yoel HALIMI <yoel.halimi@inserm.fr> wrote:

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I use WSL 2/Ubuntu-22.04 and i tried Ubuntu 20.04

De : freesurfer-bounces@nmr.mgh.harvard.edu <freesurfer-bounces@nmr.mgh.harvard.edu> de la part de Wang, Ruopeng <RWANG4@MGH.HARVARD.EDU>
Envoyé : lundi 24 mars 2025 22:47
À : Freesurfer support list
Objet : [*Suspicious Email*] Re: [Freesurfer] Freeview
 
What unix system are you running under WSL? I don’t have a WSL setup at this point but I can install one to test it.

Ruopeng

On Mar 24, 2025, at 4:51 AM, Yoel HALIMI <yoel.halimi@inserm.fr> wrote:

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Hello, 

I have a problem with the tool: Voxel editing. Using Freeview

When I open the window, it appears correctly but I can't modify it or enter values.

I'm using WSL 2 and I've followed the tutorial.

When I move my mouse over it, the cursor is transparent. 
 

Here an image to describe my problem : <pastedImage.png>

Thanks to reply,

Best regards,

Yoel

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