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Why does Firefox give me warnings on certain websited that the connection is untrusted, because the certificate has expired?

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This happens on mozilla.com too, so it's a tad strange. Other major sites ask me to confirm an exception. Sites like softpedia, microsoft etc.

被選擇的解決方法

Check the date / time setting in Windows.

從原來的回覆中察看解決方案 👍 6

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選擇的解決方法

Check the date / time setting in Windows.

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I feel dumb. :)

Thanks mate!

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If that happens again, and you are using a desktop PC, the little "coin" battery on the motherboard is probably on its' last legs and needs to be replaced.