Types of Patches
Microsoft releases patches to provide updates to the Windows operating system and Microsoft applications. These patches fix known problems, or bugs, in an operating system or application and are shipped in the following formats:
Hotfixes These updates address a single problem or bug encountered by a customer. They are developed in a short period of time and are released with less testing than other update types. Some hotfixes are referred to as security fixes. Security fixes differ from hotfixes in that the issues related to hotfixes are identified by the Microsoft Security Response Center (MSRC), rather than by Microsoft Product Support Services (PSS). Hotfixes are sometimes referred to as Quick Fix Engineering (QFE) fixes ...
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