Signs have been put up at a number of Woolworths branches apologising for the problem, which has been described as a "system fault".
Social media posts indicate stores impacted locally include Walkerston and Caneland Central.
A woman named Rose, from Hoppers Crossing in Melbourne, told 3AW customers were offered lollies as they were asked to leave. Many have left full trolleys behind.
A national technical outage brought sales to a standstill at the busy Mackay city store this afternoon.
Sky News has reported that customers were told to leave and come back in an hour.
Camera Icon Woolworths Hilton in South Australia which has been forced to shut
A security guard was also stationed at the closed doors to turn shoppers away.
A Woolworths spokeswoman said the registers were coming back online now.
Around 4:30pm, customers began to report stores they were shopping in were closing and they had been told an IT issue affecting the cash registers was to blame. "We apologise for any inconvenience caused".
Supermarket giant Woolworths has suffered an IT outage this afternoon which affected registers at its stores nationwide.
Woolworths stores across the country have had to shut down registers and are unable to make sales.
Bartolo Colon Loses Perfect Game In Eighth Inning
Colon still had the no-hitter intact, but lost it on the next batter when Josh Reddick doubled down the right field line. Despite Colon being a fan favorite in Flushing, the Mets didn't consider bringing Big Sexy back to Citi Field.
Shark attacks surfer in Western Australia
Former champion surfer Mick Fanning escaped unscathed when a great white attacked his board as he waited to catch a wave. The attack prompted the World Surf League to temporarily postpone the nearby Margaret River Pro surfing contest.
UN Security Council rejects Russian resolution on Syria
The Syrian government has denied the allegation and called the reports fake news used by the West to justify its attacks on Syria. The Russia-drafted resolution won three votes at the Security Council, far below the nine votes required for adoption.
Weekly Boston Scientific Corporation (NYSE:BSX) Ratings
Nj State Employees Deferred Compensation Plan stated it has 0.17% of its portfolio in Boston Scientific Corporation (NYSE:BSX). It increased, as 36 investors sold BSX shares while 158 reduced holdings. 86 funds bought holdings and 174 increased holdings.
Celebrities Who Suffer With Chronic Diseases
Now if that isn’t the epitome of what a BFF is, I don’t know what is! Selena continues to be on chronic medication. There is also a huge list of celebrities past like famous painter vincent Van Gogh who suffered with this disease.