Due to yet another system blip, account holders were unable to use their debit cards or withdraw money from ATMs, leaving many temporarily penniless.
Droves of furious customers vented their anger across social networking sites on Saturday afternoon, after finding themselves stranded without any way of reaching their cash on a busy weekend.
The problems started earlier in the day, when the networks for both the Lloyds Banking Group as well as the Co-operative Bank crashed, with not just online services out of order, but also ATMs and debit cards. This led to thousands of transactions being declined in shops, with terminals unable to connect to get approval for the payment.
Shops were full of long queues as customers found their debit cards unexpectedly rejected and often with no alternative means of payment, were unable to purchase their shopping.
Many people were openly questioning the significance of both the Lloyds and Co-op systems crashing simultaneously, with around 632 branches being sold from Lloyds to Co-op, with the formal transfer due to take place at a date yet unannounced.
Both banks sent out apologetic messages to customers via social media networks and by around 4.30pm on Saturday, confirmed that normal service should have been resumed.
The latest banking blunder is just one in a line of financial foul-ups that customers have had to put up with in recent months.
No details have yet been revealed about how the transfer between Lloyds and Co-op will take place or even a final date. Many customers of Lloyds have expressed their dissatisfaction at being forced to either move or open a new Lloyds account.