These are all valid concerns that we’ll clear up, putting your mind at ease when it comes time to update Adobe Flash Player. Plug-ins (or "plugins" – both are correct) are software elements used by web browsers, often to display certain types of content such as Flash or Java.
Sometimes these come with your browser automatically, but sometimes you have to add them.
This wiki page describes how to install the Adobe Flash Player, formerly known as the Macromedia Flash Player, on Debian systems.
This page serves as the homepage of the Debian package flashplugin-nonfree.
You might have also seen telltale "Blocked Plug-in" when attempting to view Flash content in Safari - all of which leads to us and Apple suggesting that you should stop using Flash Player all together and adopt HTML5 content.
Thus, the safest approach is to use Adobe's Flash Player uninstaller program.
, so rather than rehash it fully, what follows is a seven-step cheat sheet.
Then too, if all goes well, you should be able to remove recent versions of Flash in the normal way, but all doesn't always go well.
For example, on the Windows XP computer I'm writing this on, version 9,0,124,0 of the Flash Player plug-in is installed and working fine, yet it doesn't show up in the "Add or Remove programs list" in the control panel.