TLDR Corrine Durber won a High Court case against Paddy Power over a wrongly paid jackpot. The court heard that 13 other customers may have been affected by the same software error. Durber’s screen showed a £1.1 million jackpot but she was paid only £20,265.14. A judge ruled she was entitled to the amount shown on her screen, using a “What You See Is What You Get” principle. Anyone affected by the 2020 software issue may need to act before a September 2026 deadline.
A High Court case in the UK has raised questions about how a gambling company handled a software error from 2020.
The case centers on Corrine Durber, a gardener from Gloucestershire.
She was playing a slot game called Wild Hatter on Paddy Power in October 2020.
Her screen showed a jackpot worth just over £1.1 million.
Instead, she was paid £20,265.14, a smaller prize called the Daily Jackpot.
Paddy Power said the mismatch was caused by a computer error.
Durber did not accept that explanation and spent five years fighting the case through the courts.
A Five-Year Legal Fight
In March 2025, Mr Justice Ritchie ruled in her favor.
The judge used a principle he called “What You See Is What You Get.”
He decided that the amount shown on her screen was the amount she was owed.
Paddy Power was ordered to pay the difference.
With interest added, the final payout to Durber grew to more than £1.5 million.
The ruling confirmed that the number displayed during a game should match the actual prize.
Other Customers May Be Affected
During the trial, evidence showed Durber’s case was not the only one.
Testimony came from Ashley Padgett, a compliance director at Flutter Entertainment, which owns Paddy Power.
He confirmed the company reported the