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Online Threat

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So ive been using firefox for a long time and never had any problems. for 2 weeks that ive had Bitdefender Total Security i've been getting the red alert for Online Threat prevention that says: firefox.exe attempted to establish a connection relying on an expired certificate to staging.pango-coupons.besttoolbars.net. We blocked the connection to keep your data safe since websites must renew their certificates with a certification authority to stay current, and outdated security certificates represent a risk.

So ive been using firefox for a long time and never had any problems. for 2 weeks that ive had Bitdefender Total Security i've been getting the red alert for Online Threat prevention that says: firefox.exe attempted to establish a connection relying on an expired certificate to staging.pango-coupons.besttoolbars.net. We blocked the connection to keep your data safe since websites must renew their certificates with a certification authority to stay current, and outdated security certificates represent a risk.
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Check your add-ons.