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Having trouble viewing my security system on the new update firefox 20.0 the plugin doesnt work no matter how many times I download and install it even though i

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Having trouble viewing my security system on the new update firefox 20.0 the plugin doesn't work no matter how many times I download and install it even though I relaunch the browser.

Having trouble viewing my security system on the new update firefox 20.0 the plugin doesn't work no matter how many times I download and install it even though I relaunch the browser.

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Did you mean Firefox 52?

The regular release of Firefox 52-53 only allows one plugin, which is Flash. The Extended Support Release (ESR) of Firefox 52 will still run Java, Silverlight, and other old plugins. ESR was first developed to meet the needs of large organizations that wanted Firefox to change much more slowly, but anyone can use it so don't let that put you off. ESR gets security updates but no feature changes for about a year at a time.

More information on this change and ESR: Why do Java, Silverlight, Adobe Acrobat and other plugins no longer work?

Windows Users: When you get to the ESR installer list, you'll notice at least two different downloads for Windows:

  • Windows installer is the standard version for Windows that runs on both 32-bit and 64-bit Windows Vista through 10 (and 32-bit XP), the best choice for most users
  • Windows 64-bit installer ONLY runs the Flash and Silverlight plugins, so that is not what you're looking for. (If someone reading this only needs Silverlight and is considering switching to 64-bit, there may be some extra file cleanup to do on your system. See: How to switch from 32-bit to 64-bit Firefox)

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