Why are there now TWO Adobe Flash Player required to view all of the Web sites: v11.9.900 and v12.0.0.43?

I had Adobe Flash Player v.11.9.900.170 and upgraded to v.12.0.0.43. When I checked the Add-ons Manager, both versions of Flash were listed and active. I disabled the earlier version, and now indicate a few sites I don't have Flash. When I re-activated the old version, the video has played very well. So what's the problem with it is necessary to have TWO versions of Flash Player installed, the current one AND a previous one? Seems hinkey...

@cor-el: the previous version seemed to disappear of itself, about 12 hours later. I checked the topic: plugins page (along with the Add/Remove Programs), and only the latest version of Flash is not installed. I have already refreshed the pluginreg.dat file.

There always at least a web page that asks for the installation of Flash Player, but it works very well on almost all other Web sites.

Tags: Firefox

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