She did, and it was immediately confirmed that her machine had been hacked. She was shown a diagnostic report indicating that foreign hackers were observing her activity, stealing passwords and more. This was now an emergency. She happily paid $499.99 to this Apple support partner to have this fixed.
Soon later she realized it had all been a scam. The company that hacked her computer, locked her out and urger her to call were the same people she paid to fix it. Fortunately Apple helped her fix her computer (and remove all of the spyware and malware that was placed on it during the initial paid "repair") and she is pursuing a chargeback with Visa.
These scams are very convincing – in this case it happened to a very smart, sophisticated individual. Read more about this Delvelogic LLC Mac ransomware scam and how to protect yourself.