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What do the Korean characters mean at the top of my screen?

jotaito
jotaito
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I am concerned if I have a security problem. After I start my computer lately, I notice along the top of the scree a few kanji characters that expand til they extend across the top of the computer screen. They obliterate the info on the tabs so that closing the tab(s) becomes impossible. I don't know what or why this is happening. Does anyone else know what is going on and/or why this is happening. I worry that it is an indication of a virus or foreign activity focusing on me, my computer or something else that I have not considered.

I am concerned if I have a security problem. After I start my computer lately, I notice along the top of the scree a few kanji characters that expand til they extend across the top of the computer screen. They obliterate the info on the tabs so that closing the tab(s) becomes impossible. I don't know what or why this is happening. Does anyone else know what is going on and/or why this is happening. I worry that it is an indication of a virus or foreign activity focusing on me, my computer or something else that I have not considered.

Chosen solution

This problem can be caused by older versions of McAfee SiteAdvisor. For example: https://support.mozilla.org/questions/1054850 (includes user screen shot).

Can you update?

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jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
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Chosen Solution

This problem can be caused by older versions of McAfee SiteAdvisor. For example: https://support.mozilla.org/questions/1054850 (includes user screen shot).

Can you update?