"has just crashed" is a correct and usable part of a sentence in written English.
It is typically used when talking about a recent event or action that happened in the past. Example: The airplane has just crashed into the ocean, causing chaos and panic among the passengers.
It can sound plausible enough in theory particularly if your Windows computer has just crashed.
6.29pm BST The rhetoric of the last three or four months demonstrates that the Cameron project has "just crashed into the ground", Farron says.
We were interrupted when a woman canvasser, in need of Immac for the upper lip and chin, knocked on the door and said, "The Newsnight camper van has just crashed into your car, Pandora.
And those where the market has just crashed, but there was no permanent impairment of the business.
It shows a pretty woman with lipstick all over her face - she has just crashed her car, it suggests, because she was using the mirror to put on make-up.
The back story for this particular scare zone is that a bus from Shadybrook Asylum has just crashed.
Her husband, Barry McGee, has contributed a graffiti-trimmed van that seems to have just crashed, with one wheel still spinning.
That's when a friend (whose computer had just crashed -- very Mercury in retrograde) introduced the term to me.
He had just crashed into the short bullpen wall while saving his team the indignity of allowing a grand slam to Boston's David Ortiz.
I always had the feeling that these people had just crashed the plane and they had no idea why the plane had crashed.
Recently I was threatened with arrest under the Terrorism Act for taking a picture of a police car that had just crashed into a shop in Liverpool.
