Microsoft begin pushing an update to its "Microsoft Security Essentials (MSE)" anti-malware. In this regard, "Microsoft notified users of existing MSE releases versions including: "1.0.1407.0, 1.0.1500.0, 1.0.1610.0, 1.0.1961.0, or an earlier version" to upgrade on June 28. The upgrade — version number 1.0.1963.0 — was marked "Important" or "High Priority."," via KB975959.
"This (MSE) release is a part of the standard update cycle and includes only minor updates and fixes. This update contains some minor enhancements and compatibility fixes to facilitate a seamless upgrade experience to future versions of Microsoft Security Essentials," revealed a Microsoft spokesperson.