Microsoft windows updating
Microsoft routinely releases updates on the second Tuesday of each month (known as the Patch Tuesday), but can provide them whenever a new update is urgently required to prevent a newly discovered or prevalent exploit.System administrators can configure Windows Update to install critical updates for Microsoft Windows automatically, so long as the computer has an Internet connection.Microsoft attributed the sales success of Windows 98 in part to Windows Update.The Windows Update web app requires either Internet Explorer or a third-party web browser that supports the Active X technology.The first version of the web app, version 3, does not send any personally-identifiable information to Microsoft.Instead, the app downloads a full list of every available update and chooses which one to download and install.Access your favorite Microsoft products and services with just one login.From Office and Windows to Xbox and Skype, one username and password connects you to the files, photos, people, and content you care about most.
Critical Update Notification Utility (initially Critical Update Notification Tool) is a background process that checks the Windows Update web site on a regular schedule for new updates that have been marked as "Critical". By default, this check occurs every five minutes, plus when Internet Explorer starts; however, the user could configure the next check to occur only at certain times of the day or on certain days of the week.
Once the check is executed, any custom schedule defined by the user is reverted to the default. Moore in early 1999 was critical of this approach, describing it as "horribly inefficient" and susceptible to attacks.
Microsoft stated that this ensures that users received notification of critical updates in a timely manner. In a posting to Bug Traq, he explained that, "every single Windows 98 computer that wishes to get an update has to rely on a single host for the security.
Windows 95 and Windows NT 4 were retroactively given the ability to access the Windows Update website, and download updates designed for those operating systems, starting with the release of versions of Internet Explorer 4.
The initial focus of Windows Update was free add-ons and new technologies for Windows.