I'd like to install the latest Moonlight version to use it with Google Chrome (not Chromium)

  • I just tried that, and it worked. Before it would say "Apps extensions and user scripts cannot be added from this website" but when I went to Chrome://extensions and dragged it in there, it installed perfectly. Thanks :)
    – Devon
    Commented Feb 19, 2013 at 6:52
  • Still get the error "Apps extensions and user scripts cannot be added from this website" even when I drag the .crx-file to the "chrome://chrome/extensions/"-tab.
    – user154567
    Commented May 1, 2013 at 19:21
  • @pinkpony Start Chrome/Chromium with the --enable-easy-off-store-extension-install flag.
    – Rob W
    Commented May 9, 2013 at 10:55

2 Answers 2


Take a look at the Moonlight project page http://www.go-mono.com/moonlight/download.aspx (this link returns 403. Use this alternative link):

Steps to install Moonlight

  1. Download the .crx file from here (alternative link: here).

  2. Open chrome://chrome/extensions/ in a new tab and drag the the .crx file onto the page.

Hope this helps.

  • 1
    The Moonlight has a new website at mono-project.com/Main_Page but I couldn't find the Chrome plugin from there, so the plugin may no longer be maintained.
    – papukaija
    Commented Jul 17, 2013 at 9:34
  • From one of the suggested links above I found the following google drive page: drive.google.com/…
    – sergico
    Commented Nov 23, 2013 at 16:49

you could have a crack at this:

sudo apt-get install mono-complete

good luck!

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