Ramazan Eles 
A widespread Microsoft outage has caused chaos around the world, with Windows systems crashing and causing major disruptions to businesses and organizations in many countries.
The outage appears to have been caused by a recent update to CrowdStrike security software, which is common to many Microsoft machines. The update is believed to have caused computers to repeatedly crash and display ‘blue screens of death’.
The outage has affected a wide range of businesses and organizations, including:
Airlines: United Airlines, Delta Air Lines, American Airlines, Lufthansa, Qantas, Cathay Pacific
Banks: Denizbank, Israel Central Bank
Stock exchanges: London Stock Exchange, Nasdaq
Broadcasting: Sky News
Hospitals: Israel Ministry of Health, emergency services
Hotels: Ocean Park Marriott
The outage has caused major disruptions to operations, including:
Flight cancellations and delays
Banking transactions
Stock trading
News broadcasting
Medical care
Hotel check-ins
Microsoft is currently investigating the outage and working on a fix. The company has advised users to avoid restarting their computers until the issue has been resolved.