404. That’s an error.

The requested URL /_/+1/confirm?hl=de&url=http%3A%2F%2Fwww.cnet.de%2F88160022%2F30-jahre-microsoft-windows-die-entwicklung-von-1985-2015-in-bildern%2F&title=30+Jahre+Microsoft+Windows%3A+die+Entwicklung+von+1985-2015+in+Bildern was not found on this server. That’s all we know.