Blocklist not updating
Mozilla applications are regularly updated for security and stability; however, Mozilla does not provide updates for plug-ins.
Plug-ins can cause crashes and hangs and may contain security vulnerabilities.
Make sure to read the "Known Issues" sticky to see if your problem's already known (and maybe resolved), and also for what we need from you if we're going to be able to help!
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After that, BITS service fails to start The executable program that this service is configured to run does not implement the service.
In current Mozilla browsers, you'll need to activate Java.If you have installed the Flash plugin but it does not appear in the Add-ons Manager, open about:config and make sure that the preference has not been set to "false" (if it has, right-click on it and select Reset to set it back to "true"). Note: If the Flash plugin is installed, make sure it is enabled in the Firefox (3.0 and above) or Sea Monkey 2 Add-ons Manager (see above); otherwise, the Flash test will not work and the "Shockwave Flash" plugin entry will not be displayed in the about:plugins list.Even though the Flash plugin is also referred to as "Shockwave Flash", it should not be confused with the Shockwave plugin that handles "Shockwave for Director" content.Note: On Windows, the Flash plugin is detected via plugin scanning.