check to see if it is already running in the background
>
> ps -A |grep vlc

If so, then kill it

> killall vlc


Then try launching VLC via any of the usual methods.

It was doing this to me too a few months ago, but I have forgotten how I
fixed it.  You may try deleting your ~/.config/vlc/vlcrc file when you know
that no instances are running and see if that helps.
Good luck.

On Wed, Nov 18, 2020 at 8:37 PM wes <[email protected]> wrote:

> On Wed, Nov 18, 2020 at 7:45 PM John Jason Jordan <[email protected]> wrote:
>
> >
> > The .desktop file for VLC in /usr/share/applications has not been
> > changed. But I cannot launch VLC from the applications menu.
> >
> >
> What is the path to vlc in the .desktop file? Usually (but not always)
> found ona  line beginning with Exec=
>
> From the command line sudo apt install vlc says it is already installed
> > and the latest version. A reinstall from the command line also
> > accomplished nothing.
> >
>
> I assume by "reinstall" you mean the literal reinstall command to apt. You
> may also want to try a remove, then a purge, then an install. This will
> blow out config files and such.
>
>
> > From the command line 'vlc' launches the player, even if I can't launch
> > it from the applications menu, and then I can use File > Open to play
> > the file. Or I can just launch VLC from the command line and drag a
> > video file from a file manager and drop it on the VLC window.
> >
>
> That's good; that means the problem is with the OS rather than the
> application.
>
>
> > I need to figure out what is the difference between launching from the
> > command line and launching from the applications menu.
>
>
> The difference is that the menu icon uses the .desktop file to determine
> how to launch vlc.
>
>
> > what the heck happened that caused the breakage?
> >
> >
> I could not even begin to guess.
>
> -wes
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