not implemented: PPB_AudioOutput(Dev) 0. not implemented: PPB_OpenGLES2DrawBuffers(Dev) 1.0 not implemented: PPB_OpenGLES2VertexArrayObject 1.0 WARNING: pipe error (131): Connection reset by peer: file /build/firefox-ikZgcS/firefox-59.0.2+build1/ipc/chromium/src/chrome/common/ipc_channel_, line 353 (firefox:5666): LIBDBUSMENU-GTK-CRITICAL **: 18:36:29.041: dbusmenu_menuitem_property_set_shortcut: assertion 'gtk_accelerator_valid(key, modifier)' failed This is the output of Firefox ran from the terminal when trying to rum Flash Player content:

As well as in Firefox using an installation of Linux Mint MATE 18.3 I have on this laptop, based on 16.04. But then nothing happens, either it does nothing or it freezes the tab or the entire browser.Īnd the same web pages work just fine in Chromium. In Firefox all seems to work as expected: when flash is detected it shows a clickable icon to activate flash, so I do and supposedly it will start playing.

It was working normally until I installed Chromium and installed Flash Player for Chromium, which I do not exactly remember how I did, it was just a copy and paste from a Google search. See Īs a side note, for the PPAPI plugin, if Chrome is the only Chromium-based browser installed, there's no need to install the Flash Player PPAPI plugin separately, as Google embeds Flash Player in Chrome and releases all updates for the embedded Flash Player PPAPI plugin.This is something weird, Flash Player stopped working in Firefox in UM 18.04. If the issue persists, you can try refreshing Firefox. Close all browsers and launch the downloaded installer and follow on-screen prompts to complete installation.

Launch Firefox and navigate to (note there are optional third-party offers on this page).

Internet Explorer has an ActiveX version of Flash Player whereas Chrome.

Close all browsers and apps that may use Flash Player You know there are three distinct types of Flash Players for different web browsers.

Download the uninstaller (this will uninstall all non-embedded versions installed).

If the reboot the system doesn't work, try uninstalling & re-installing Flash Player:

If not, try rebooting your system - oftentimes, a system reboot fixes many issues Restart Firefox to see if it loads Flash Player Odd that it's installed & not showing up in Firefox.

Firefox flash plugin problem