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 software issue to the Gambling Commission on October 23, 2020.
That report came just days after Durber’s disputed win.
The court heard that 13 other Wild Hatter players had also seen the Monster Jackpot appear on screen.
Each of them was reportedly paid the smaller Daily Jackpot instead.
Four Betfair customers were also named as having received smaller payouts than they may have deserved.
Nine other games were flagged as possibly affected by the same software problem.
The identities of the 13 customers have not been made public.
It is not known if they were told about the software error at the time, or if any were offered extra payments afterward.
The court did not resolve these questions during Durber’s case.
Justice Ritchie also raised the possibility that the error could have worked in the opposite direction.
This means some players may have seen a smaller Daily Jackpot on screen while actually being owed the larger Monster Jackpot.
No evidence was presented to confirm whether this type of error had happened.
Time may be running out for anyone affected by the issue.
The games in question were played in 2020, and legal claims often carry time limits.
A deadline in September 2026 is approaching for potential claims tied to the case.
Anyone who played Wild Hatter between September 1 and October 18, 2020, may want to check their records.
People who think they may have been affected are being advised to seek independent legal advice soon.
The High Court ruling does not confirm that all 13 customers are owed money, or that they remain unpaid.
Durber’s case simply shows how large the gap between a displayed prize and an actual payout can be.
She went from a payout of just over £20,000 to more than £1.5 million after her case succeeded.
The outcome for the other 13 customers remains unknown for now.
