

Pause while Firefox finishes its cleanup, then rename '''pluginreg.dat''' to something like pluginreg.old * type or paste '''about:support''' in the address bar and press Enter * Help menu > Troubleshooting Information * "3-bar" menu button > "?" button > Troubleshooting Information '''Remove Firefox's plugin registry file''' '''Confirm that Firefox is scanning the registry for plugins''' * "3-bar" menu button (or Tools menu) > Add-ons Read this answer in context 👍 1 All Replies (4) When you return to the Add-ons page, is VLC finally there?

(If you want to restore your previous non-private session, use History > Restore Previous Session.) Pause while Firefox finishes its cleanup, then rename pluginreg.dat to something like pluginreg.old Leaving that window open, switch back to Firefox and Exit, either: In the first table on the page, click the "Show Folder" button to launch a new Windows Explorer window showing your settings files.

Sometimes the pluginreg.dat file becomes corrupted. If Firefox is set to scan but still does not find VLC and list it on the Add-ons page. If you check the Add-ons page again, success? If you changed this setting, exit and restart Firefox to trigger another scan. (3) If is not set to its default value of true, double-click it to toggle it back to the default. (2) In the filter box, type or paste scan and pause while the list is filtered Click the button promising to be careful. (1) In a new tab, type or paste about:config in the address bar and press Enter. Some users have the scanning turned off for some reason. Here are the steps to check those possibilities:Ĭonfirm that Firefox is scanning the registry for pluginsįirefox finds the Flash plugin from a registry entry. Another is that Firefox's settings file storing plugin data has become corrupted. If it is not even listed at all on the Add-ons page, one possible reason for an installed plugin not to apppear on the Add-ons page is if Firefox is set NOT to scan the registry for plugins.

Then make sure VLC is set to "Always Activate" or, if you want to give sites permission on a case-by-case basis, "Ask to Activate."
