has been detected vs was detected

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Senior Member
Hello everybody,

I found an interesting site.
Fix: A problem has been detected and Windows has been shut down

It says the following message:
m1: A problem has been detected and windows has been shut down to prevent damage to your computer.

My computer displayed the same massage a few days ago.
But I think the following message is easier to understand.
m2: A problem was detected and windows was shut down to prevent damage to your computer.

What’s the difference between m1 and m2?
Why does it say m1, not m2?
  • Barque

    As the WR dictionary says, the present perfect is used to show that "the action of the verb started in the past and is continuing in the present, and that its effects are still felt or experienced up to the present: I've lived here for six months (= I moved here six months ago and still live here)."
    present perfect - WordReference.com Dictionary of English

    The effect of the problem is being felt, as a result of which action is being taken.

    The simple past could also have been used but there was a reason for the present perfect.

    (Edit - I guess this is the present perfect continuous, but the principle is similar.)
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