This looks serious. I'd better call straight a...Wait a minute

Pop-up message in Chrome

Pop-up message in Chrome (Detail)

Finding a virus on your computer is a cause for concern. Finding a hoax such as this less so.

And the giveaway? Three spelling mistakes in the pop-op windows, and one is a lovely Freudian slip.

"Window's" when it should be "Windows", "viurs" in place of "virus", but best of all the Error Code about "insteall the definition updates".

I tell my students about the importance of good English. I'll show them this as yet another example.