Method 2: Enable Shockwave Flash in Firefox Again, restart your system once you’re done. Start it by double-clicking it, and follow the wizard to finish the setup. Go to your Downloads folder, or wherever you have saved the setup for Adobe Flash, the one that you downloaded from the website, and locate the setup file.Follow the wizard and the prompts and in the end, you will have uninstalled Flash Player. Click on Flash Player, and click Uninstall.
Click it and you will be presented with a list of software currently installed on your computer, in which you will need to find Flash Player. You might need to change the View to find it (see the picture).
However, there are users who don’t use Google Chrome and still need Adobe Flash Player once in a while, and they may be facing issues such as an annoying pop-up window which won’t go away, and tells you that you need to update Flash Player. Adobe’s Flash Player has been pretty much hit or miss in the past few years, which led to it being completely dismissed with popular websites such as YouTube, and was built-in in browsers such as Google Chrome, to minimize the number of security issues and errors.