Login problems

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Two days ago, your addon start to make me a problems, but I wasn't sure what does cause it, until tonight.
It doesn't allow me to open login window on browser game ba.ikariam.com (I play it on daily basis few years and i never had a problem), but on simmilar page (server) test.en.ikariam.com it works without problems.
I tried about 10 times to switch it on-off, so i could be sure that this addon makes me a problem, and it does, because every time when I switch it on, I can't login.
I hope you shall solve this problem, because, I don't want to uninstall this addon.
Thx