Complex sentence: In 2005 the operation was notified by New York State authorities that its use of the word "university" violated state law, and after a second such notification in 2010, the name of the company was changed to the "Trump Entrepreneurial Institute".
Split into simpler sentences: In 2005 the operation was notified by New York State authorities that its use of the word "university" violated state law. After a second such notification in 2010, the name of the operation was changed to the "Trump Entrepreneurial Institute".