A large screen in the Dubai Metro is out of function on July 19, 2024, amid a massive global IT outage. Airlines, banks, TV channels and other business across the globe were scrambling to deal with one of the biggest IT crashes in recent years on July 19, 2024, caused by an update to an antivirus program. Microsoft said in a technical update on its website that the problems began at 1900 GMT on July 18, affecting users of its Azure cloud platform running cybersecurity software CrowdStrike Falcon. (Photo by Giuseppe CACACE / AFP) (Photo by GIUSEPPE CACACE/AFP via Getty Images)

CRAWLEY, ENGLAND - JULY 19: Passengers queue at Gatwick Airport amid a global IT outage caused by a defect in a software update on July 19, 2024 in Crawley, United Kingdom. Businesses, travel companies and Microsoft users across the globe were among those affected by a tech outage today. (Photo by Jack Taylor/Getty Images)

CRAWLEY, ENGLAND - JULY 19: Passengers queue at Gatwick Airport amid a global IT outage caused by a defect in a software update on July 19, 2024 in Crawley, United Kingdom. Businesses, travel companies and Microsoft users across the globe were among those affected by a tech outage today. (Photo by Jack Taylor/Getty Images)

CRAWLEY, ENGLAND - JULY 19: Passengers queue at Gatwick Airport amid a global IT outage caused by a defect in a software update on July 19, 2024 in Crawley, United Kingdom. Businesses, travel companies and Microsoft users across the globe were among those affected by a tech outage today. (Photo by Jack Taylor/Getty Images)

CRAWLEY, ENGLAND - JULY 19: Passengers queue at Gatwick Airport amid a global IT outage caused by a defect in a software update on July 19, 2024 in Crawley, United Kingdom. Businesses, travel companies and Microsoft users across the globe were among those affected by a tech outage today. (Photo by Jack Taylor/Getty Images)

CRAWLEY, ENGLAND - JULY 19: Passengers queue at Gatwick Airport amid a global IT outage caused by a defect in a software update on July 19, 2024 in Crawley, United Kingdom. Businesses, travel companies and Microsoft users across the globe were among those affected by a tech outage today. (Photo by Jack Taylor/Getty Images)

Passengers wait to be checked-in at Hong Kong International Airport on July 19, 2024, as some airlines resort to manual check-in due to a world wide Microsoft outage. (Photo by ISAAC LAWRENCE / AFP) (Photo by ISAAC LAWRENCE/AFP via Getty Images)

An airport staff holds up a final call sign at Hong Kong International Airport on July 19, 2024, as some airlines resort to manual check-in due to a world wide Microsoft outage. (Photo by ISAAC LAWRENCE / AFP) (Photo by ISAAC LAWRENCE/AFP via Getty Images)