
You can remove it and have Firefox re-scan for plugins. Sometimes the pluginreg.dat file becomes corrupted. (3) Remove Firefox's plugin registry file If Firefox is set to scan but still does not find Flash and list Shockwave Flash 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.

(2) Confirm that Firefox is scanning the registry for pluginsįirefox finds the Flash plugin from a registry entry. If there's no sign of it on the Add-ons page.
