“Webroot’s security tools went berserk today, mislabeling key Microsoft Windows system files as malicious and temporarily removing them – knackering PCs in the process. Not only were people’s individual copies of the antivirus suite going haywire, but also business editions and installations run by managed service providers (MSPs), meaning companies and organizations relying on the software were hit by the cockup.”
Source: Webroot antivirus goes bananas, starts trashing Windows system files • The Register