The phrase "abruptly informed that" is correct and usable in written English.
It can be used when describing a situation where someone receives unexpected or sudden news or information.
Example: "She was abruptly informed that her application had been rejected, leaving her in shock."
Alternatives: "suddenly told that" or "unexpectedly notified that".
Whenever I click on someone's avatar, it takes me to a page where I'm abruptly informed that I can't see the person's information because I'm not friends with them.
Judge Daud Albakov, the head of the supreme court, was abruptly informed that he was being evicted from his state-owned villa.
Yet in March this year, Bjorneboe said, she was called in to the office of captain Joseph Bianco and abruptly informed that she had not, in fact, passed the first phase.
When the TV series opens, the Baudelaire siblings, Violet, Klaus, and Sunny (Malina Weissman, Louis Hynes, and Presley Smith), are abruptly informed that their parents have perished in a mysterious fire, leaving them with a fortune they cannot use until they come of age.
The FSA was informed that same day.
In late December, Borders abruptly informed publishers that it would not make a scheduled payment, and later asked publishers to convert the missed payment into a sort of loan.
In late May, when the station abruptly informed Wolf that his presence was no longer desired, not even until the end of his contract on Aug. 4, Channel 2 would still not discuss Wragge.
But in early 2011 he abruptly informed her that he no longer loved her, and told her to leave their home.
The group's lawyers had been in talks with officials from the culture department when the officials were abruptly informed by phone that Cameron had decided to end the discussions, and Hacked Off must leave the premises.
Two recent developments could inform that search.
Then, last summer, when they each showed up for their appointments with ICE, they were abruptly rearrested, and informed that their deportations were back on schedule.
