Mozilla firefox 21.0 version, will fix distorted videos, colors, and sound stuttering (download)

Mozilla firefox 21.0 version that will fix distorted videos, and colors, sound stuttering, on youtube and most of the websites.

This version fix problems like: video distortions, video stuttering, sound stuttering, color disappearing, image lag, delays, video lag, delay, sound lag, etc.

Download:
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