Microsoft introduced "Patch Tuesday" in October 2003 to reduce the cost of distributing patches. Customers with multiple copies of Windows, such as corporate users, not only had to update every Windows deployment in the company but also to uninstall patches issued by Microsoft that broke existing functionality.Microsoft countered this issue in Windows ME with the Automatic Updates component, which displayed availability of updates, with the option of automatic installation. Less-experienced users often remained unaware of Windows Update and did not install it.With the release of Microsoft Update, this system also checks for updates for other Microsoft products, such as Microsoft Office, Visual Studio and SQL Server.Įarlier versions of Windows Update suffered from two problems:
Starting with Windows 98, Microsoft included Windows Update that once installed and executed, would check for patches to Windows and its components, which Microsoft would release intermittently. The updates show up in Download Center before they are added to WU, and the KB articles are unlocked later.ĭaily updates consist of malware database refreshes for Windows Defender and Microsoft Security Essentials, these updates are not part of the normal Patch Tuesday release cycle. Vulnerability information is immediately available in the Security Update Guide. As far as the integrated Windows Update (WU) function is concerned, Patch Tuesday begins at 10:00 a.m. Critical security updates are occasionally released outside of the normal Patch Tuesday cycle these are known as "Out-of-band" releases. Patch Tuesday occurs on the second Tuesday of each month in North America. Patch Tuesday is known within Microsoft also as the “B” release, to distinguish it from the “C” and “D” releases that occur in the third and fourth weeks of the month, respectively. Microsoft formalized Patch Tuesday in October 2003. It is widely referred to in this way by the industry. Patch Tuesday (also known as Update Tuesday ) is an unofficial term used to refer to when Microsoft, Adobe, Oracle and others regularly releases software patches for their software products. Unofficial term used to refer to monthly software updates
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