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Full-screen Firefox update from non-mozilla URL

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I get a full-screen orange "Firefox" screen that wants me to urgently update the browser. The URL it's coming from is neither firefox nor mozilla, but a seemingly random long set of characters. This makes me suspicious and I always close browser. But it is happening more frequently, so I am concerned that it is being triggered by something already lodged in my computer. Full virus and malware scans don't detect anything.

I get a full-screen orange "Firefox" screen that wants me to urgently update the browser. The URL it's coming from is neither firefox nor mozilla, but a seemingly random long set of characters. This makes me suspicious and I always close browser. But it is happening more frequently, so I am concerned that it is being triggered by something already lodged in my computer. Full virus and malware scans don't detect anything.

Ausgewählte Lösung

Hi, we are getting a lot of reports like yours of late. It's a scam to infect you with malware! NEVER EVER click on anything like that.

If you are in any doubt about the authenticity of update pop-ups etc., it's best to ignore them and check for yourself by opening the 3-bar menu > Help (question mark at bottom right) > About Firefox. Alternatively, you can press the Alt key to bring up the main menu bar > Help > About Firefox. More - Update Firefox to the latest release.

If your question is resolved by this or another answer, please take a minute to let us know. Thank you.

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Ausgewählte Lösung

Hi, we are getting a lot of reports like yours of late. It's a scam to infect you with malware! NEVER EVER click on anything like that.

If you are in any doubt about the authenticity of update pop-ups etc., it's best to ignore them and check for yourself by opening the 3-bar menu > Help (question mark at bottom right) > About Firefox. Alternatively, you can press the Alt key to bring up the main menu bar > Help > About Firefox. More - Update Firefox to the latest release.

If your question is resolved by this or another answer, please take a minute to let us know. Thank you.