YouTube videos skip and stutter with 21.0.0.213 in Firefox

I have Adobe Flash 21.0.0.197 with Firefox 46.0 and Windows XP (32 - bit, SP3), netbook HP Mini-110.  YouTube works OK, but when I've upgraded to Adobe 21.0.0.213, the YouTube clips stutter and jump horribly.  Fortunately, I have created a system restore point and was able to return to 21.0.0.197.  Why don't the most recent Adobe Flash works with Windows XP and Firefox 46?  (When I use the browser Chrome, YouTube works well with Adobe Flash 21.0.0.216).  I want to update Adobe Flash for Firefox, but I'm afraid to uninstall Flash, then new facility, fearing that if it does not work I could lose 21.0.0.197 for good.

Curiously, when I installed 21.0.0.213 with 45.0.2 Firefox, it crashed my YouTube ('no results found', ' year error occurred ").  With Firefox 46.0 and 21.0.0.213, I get the constant jumps or the video freezes.

Actually, I meant turning and turn it back on.

Chrome is actually your best choice in a perspective of security on WinXP (they have done much to consolidate some of the mitigations of abuse missing memory in WinXP itself), and it keeps Flash updated automatically.  If it works well for you, I recommend to use it as your main browser.

Tags: Flash Player

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