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After installing VLC Web Plugin, the VLC video still shows black screen with block sign. How to fix this?

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  • 6 人がこの問題に困っています
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  • 最後の返信者: FredMcD

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I have ubuntu 13.04 and firefox 26.0. I have installed the brower-plugin-vlc and can see VLC Web Plugin under add-ons. My problem is, while trying to play the video, I see a blank screen with a block sign even though the plugin is active. How can I solve this problem?

I have ubuntu 13.04 and firefox 26.0. I have installed the brower-plugin-vlc and can see VLC Web Plugin under add-ons. My problem is, while trying to play the video, I see a blank screen with a block sign even though the plugin is active. How can I solve this problem?

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Try starting with downloading the full installer from VLC. It will take care of the plugin for you. If you still have problems,

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Try Firefox Safe Mode to see if the problem goes away. Safe Mode is a troubleshooting mode, which disables most add-ons.

(If you're not using it, switch to the Default theme.)

  • On Windows you can open Firefox 4.0+ in Safe Mode by holding the Shift key when you open the Firefox desktop or Start menu shortcut.
  • On Mac you can open Firefox 4.0+ in Safe Mode by holding the option key while starting Firefox.
  • On Linux you can open Firefox 4.0+ in Safe Mode by quitting Firefox and then going to your Terminal and running: firefox -safe-mode (you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
  • Or open the Help menu and click on the Restart with Add-ons Disabled... menu item while Firefox is running.

FirefoxSafeMode

Once you get the pop-up, just select "'Start in Safe Mode" Safe Mode Fx 15 - Win

If the issue is not present in Firefox Safe Mode, your problem is probably caused by an extension, and you need to figure out which one. Please follow the Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems article for that.

To exit the Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.

When you figure out what's causing your issues, please let us know. It might help other users who have the same problem.

Thank you.