[ubuntu] Flash problems in Firefox

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http://ubuntuforums.org – So I am having a lot of problems with flash in Firefox. Things are either very slow to load or don't load on multiple site. On my wife's mac the same sites load just fine so it is not the internet connection. Last night I ran the Flash Aid extension for Firefox, it uninstalled and reinstalled the stable version of Flash and applied some tweaks. Flash ran fine last night. I shut down the laptop and then this morning Flash isn't working again. Is there something I can do to get this to run properly? Additionally it seems firefox is much slower in loading sites than Safari on my wife's (Hardware)