In a DDoS attack, computers flood a website with requests, overwhelming its servers and causing it to crash or become inaccessible for many users.

CNN: Spain arrests suspect in massive cyberattack

In the writ, issued to the High Court by Mr McNicholls' solicitor Alan Smith, it is claimed the engine of the Piper PA38 Tomahawk failed shortly after the plane took off from Barton Airfield in Salford, causing it to "stall, crash into houses on Newlands Avenue and burst into flames".

BBC: Joel McNicholls

Soon after releasing the update Microsoft received reports that, in some circumstances, it was causing Internet Explorer to crash.

BBC: Workers looking at computer screen, Eyewire