So I removed the folder. OK...dumb move Now, when I try to install again.... sudo apt-get install libgtk-3-dev

It responds: "libgtk-3-dev is already newest version"

So how can I re-install gtk? I am still learning Linux so go easy on me pls..

Any ideas?

  • And you have done sudo apt-get remove libgtk-3-dev before you tried to install it again? – MatsK Sep 14 '17 at 8:36

Give this a try:

sudo apt-get --reinstall install libgtk-3-dev

The --reinstall flag reinstalls a package that is already installed and at the newest version.

You can read more about apt-get options by reading the manual page (Linux help files) using the man command, so in this case, you would use the following:

man apt-get

You may also want to read the man page for man pages:

man man
| improve this answer | |
  • Nicely Done!! That worked perfectly. I tried the sudo apt-get help, but it didn't help much. Inexperienced with Linux as I am, I didn't think of MAN. I came from DOS from long ago in another universe. There were no manuals, nor real people to help!! Thanks so much!! – Michael Sep 14 '17 at 7:52

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