Firefox doesn't detect adobe flash

I have a Dell Inspiron 3521 with Linux Mint 15 (Olivia x36-64). My Firefox is 26.0. The about page says it's Mozilla Firefox for Linux Mint - 1.0.
I have the latest version of Adobe Flash installed, but my Firefox is not recognizing it. It isn't showing up in the plugin list, so I can't even activate it.
So it's partially functioning, because I went to the Adobe website test page and it indicated that I have it and it works. But things Facebook doesn't work. Can't play games or reach it by external link on my email.
This began when I reset my Firefox the other day.
How do I get this thing functioning again?

[[Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems]]
Hello,
Some problems with Flash video playback can be resolved by disabling hardware acceleration in your Flash Player settings. (See [[Flash Plugin - Keep it up to date and troubleshoot problems|this article]] for more information on using the Flash plugin in Firefox).
To disable hardware acceleration in Flash Player:
#Go to this [http://helpx.adobe.com/flash-player/kb/video-playback-issues.html#main_Solve_video_playback_issues Adobe Flash Player Help page].
#Right-click on the Flash Player logo on that page.
#Click on '''Settings''' in the context menu. The Adobe Flash Player Settings screen will open.
# Click on the icon at the bottom-left of the Adobe Flash Player Settings window to open the Display panel. <br/> <br/>[[Image:fpSettings1.PNG]] <br/>
# Remove the check mark from '''Enable hardware acceleration'''.
# Click '''Close''' to close the Adobe Flash Player Settings Window.
# Restart Firefox.
This [http://www.macromedia.com/support/documentation/en/flashplayer/help/help01.html Flash Player Help - Display Settings page] has more information on Flash Player hardware acceleration, if you're interested.
Does this solve the problem? Let us know.

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(1) If you have any recorders/downloaders that interact with Flash media make sure they are as up-to-date as possible, or disable them temporarily.
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http://fpdownload.macromedia.com/get/flashplayer/current/licensing/win/install_flash_player_10.exe
That solved my problem immediately.
I got this info from this post on the Adobe forum:
http://forums.adobe.com/message/3947097#3947097
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I have tried the package in extra and the package from AUR, but firefox still doesn't register the flash plugin. I'm probably just missing something here..
[tapio@Pochi flashplugin-alpha-64]$ ls /usr/lib/mozilla/plugins/
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11/3/11 3:17:45 PM /Applications/Adobe Flash CS5/Adobe Flash CS5.app/Contents/MacOS/Adobe Flash CS5[2801] Allocator race detected: transaction is not verified for -112/2 - Library/Application Support/Adobe/Flash CS5/en_US/Configuration/ProcScripts/svg/LineBrushArt11.svg
11/3/11 3:17:49 PM /System/Library/CoreServices/coreservicesd[62] removing dropped transaction for -112,Library/Application Support/Adobe/Flash CS5/en_US/Configuration/ProcScripts/svg/LineBrushArt11.svg
11/3/11 3:17:49 PM /Applications/Adobe Flash CS5/Adobe Flash CS5.app/Contents/MacOS/Adobe Flash CS5[2801] Allocator race detected: transaction is not verified for -112/2 - Library/Application Support/Adobe/Flash CS5/en_US/Configuration/ProcScripts/svg/LineBrushArt12.svg
11/3/11 3:17:49 PM /Applications/Adobe Flash CS5/Adobe Flash CS5.app/Contents/MacOS/Adobe Flash CS5[2801] Allocator race detected: transaction is not verified for -112/2 - Library/Application Support/Adobe/Flash CS5/en_US/Configuration/ProcScripts/svg/LineBrushArt12.svg
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Firefox doesn't work with flash ubuntu

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== URL of affected sites ==
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Firefox doesn't detect adobe flash

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