Cannot open shader in Unity 4.3.3f1

I would like to write my very first shader in Unity, but I cant even open the shader :frowning: Is this a known issue?

Nothing happens when I right click the shader and choose open…

I just saw, I got this error message:

I guess you have to check your external editor in preferences. By default it’s set to MonoDevelop which comes with Unity.

I dont really know what to check in preferences… Everything looks fine, I think:

1490489--83168--$Skærmbillede 2014-01-20 kl. 11.07.44.png

I am able to open the .shader-file from Monodevelop, so I am able to move on, but it would still be nice to be able to open from Unity

In my settings Editor Attaching is enabled, but I guess you’ve already tried that.

Presumably MonoDevelop is opening your scripts from Unity properly?

Editor attaching should not have any effect on opening files.