Developer reply by Vasiliy Temnikov
Rated 1 out of 5 stars
My FF window's size has be resized at a small square, and I didn't have a choice to restore my FF.
I run with FF 17.0.3 ESR and my OS is WinXP SP2.
Try new version
https://addons.mozilla.org/ru/firefox/addon/no-caption/versions/2.0
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