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Is there anyway to install "Windows Genuine Advantage" plugin with Firefox 5.0; the instructions state to manually copy to a "plugins" subdirectory and there isn't one in 5.0. Thanks.


Under Windows XP Home SP3 with Firefox 5.0 as my default browser, the Windows Genuine Advantage validation fails. I have attempted to follow the instructions for installing a WGA plugin for Firefox, but the default installation fails on a copy to the "plugins" subdirectory of the Firefox install directory. Manual instructions state to copy 1 of 2 files to the "plugins" subdirectory of the Firefox install directory as well, and such a directory does not exist under Firefox 5.0. I cannot find a "plugins" subdirectory anywhere on my system so far. Is there any way to install the WGA Firefox plugin at this time? I have had to disable the Firefox browser as I use Security Essentials for my antivirus and the failed WGA validation terminates the software license with Microsoft.

Additional System Details

This started when...

Windows Genuine Advantage validation fails with Firefox 5.0 browser

Installed Plug-ins

  • Shockwave Flash 10.3 r181
  • Next Generation Java Plug-in 1.6.0_26 for Mozilla browsers
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • 4.0.60531.0
  • Windows Presentation Foundation (WPF) plug-in for Mozilla browsers
  • Adobe PDF Plug-In For Firefox and Netscape "9.4.5"
  • Npdsplay dll
  • DRM Store Netscape Plugin
  • DRM Netscape Network Object


  • User Agent: Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0

More Information

PPPPPP42 0 solutions 1 answers

I'm not sure who owns the WGA plugin for Firefox but its sheer laziness that the installer hasn't been fixed yet.

Easiest way around it is to just do it in Internet Explorer. With windows XP even if you uninstalled IE and physically ripped the folder out by the roots its regrew itself for the purposes of windows update. Click the "fix this problem link" that security essentials opens in the balloon (or open security essentials and find the button for it), that will open Firefox to a genuine advantage "action required" page. Then open IE (use the windows update shortcut if you uninstalled IE). Copy the address of the page that opened in Firefox into the address bar in IE and hit enter, it brings up the same page but this time it works correctly and suddenly security essentials is happy. Now if only I could figure out why it popped back up and i had to do it again a week or two later. It might be running the check regularly or with updates. But I suppose its easy enough to do every once in awhile until they bother to fix the plugin.

Modified by PPPPPP42