Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems. If you are having problems with pages that use plugins (such as Adobe Flash, Java and others) to display content, you may need to check to see whether a plugin is causing the problem. See this Mozilla blog post for details. Common problems caused by plugins include. This article describes how to troubleshoot plugins.
If you are having a problem with an extension or theme, see Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems. For general information on plugins, see Use plugins to play audio, video, games and more. If you suspect a certain plugin, disable it first, then test for your problem.
If you don't know which plugin to disable. At the top of the Firefox window, click on the Firefox button. On the menu bar, click on the menu. At the top of the Firefox window, click on the menu, and then click . The Add- ons Manager tab will open.
Click the menu button. Add- ons. The Add- ons Manager tab will open. In the Add- ons Manager tab, select the panel. Select a plugin in the list and then select Never Activate in its drop- down menu. Repeat this step for each plugin in the list, until all of them are disabled.
You do not need to restart Firefox for the changes to take effect. If it does not occur, go back to the Add- ons Manager tab and re- enable plugins one- by- one with the Always Activate drop- down menu until you find which one causes your problem to occur. To check if any of your installed plugins are out of date, visit Mozilla's Plugin Check & Updates page. Use Windows Explorer to navigate.
Navigate to the folder shown for the plugin you want to remove. Re- initializing the plugins database may fix this problem. Open your profile folder. At the top of the Firefox window, click on the Firefox button, go over to the menu. On the menu bar, click on the menu.
At the top of the Firefox window, click on the menu and select . The Troubleshooting Information tab will open. Click the menu button. The Troubleshooting Information tab will open. Under the Application Basics section, click on Show Folder.
Open Folder. Show in Finder. Open Directory. A window with your profile filesfolder will open. At the top of the Firefox window, click on the Firefox button and then select At the top of the Firefox window, click on the menu and then select On the menu bar, click on the menu and select At the top of the Firefox window, click on the menu and select .
Having problems with websites that use plugins like Adobe Flash? If updating to the newest version of the plugin or reinstalling it does not fix the problem. Every time I need Adobe Reader it says: 'Invalid plugin detected. Adobe reader will quit.' How can I fix this? My adobe reader doesnt work. My adobe reader doesnt work.
Common symptoms when you can't view a PDF on the web: A blank page in the web browser. Adobe releases free security updates quarterly.
Had the same problems with the 'invalid plugin' message and Adobe.
- CCleaner Registry Cleaner INCORRECTLY Identifies Adobe Reader Icon as Invalid.
- The Adobe Reader program for viewing PDFs includes a plugin. Use the Adobe Reader plugin to view or. To install Adobe Reader, please visit the Adobe.com.
- Unfortunately the instructions did not work for me. I received this 'invalid plugin detected' immediately after I had installed CutePDF Writer.
- If an invalid plugin is detected by Adobe. If an invalid plugin is.