Update Facts

Hotfix

A hotfix is an OS patch that fixes bugs and other vulnerabilities in the software. -Hotfixes may be released on a regular basis as fixes are created -For the highest level of security, apply hotfixes as they are released (after you verify that the hotfix will not cause additional problems). -Microsoft identifies each hotfix by a number. This number also identifies a Knowledge Base (KB) article that describes the issues addressed by the hotfix

Service Pack (SP)

A service pack is a collection of hotfixes and other system enhancements -A services pack includes all hotfixes released to that time. If you install the service pack, you do not need to install individual hotfixes. Installing a service pack also includes all previous service packs -Service packs might include additional functionality beyond simple bug fixes

Windows Update

By default, Windows automatically checks for updates, downloads them, and installs them. Updates are classified as Important, Recommended, and Optional. By default Important and Recommended updates are installed automatically You can turn off auto downloading or installation of updates. For example, you can config your computer to: -Not check for updates (you can manually check for updates at any time). -Notify you of updates, but require your permission to download or install them. -Download updates, but ask your permission to install them -Check for Microsoft updates, but not automatically update driver files

Update Facts

Non-Microsoft applications and many drivers will not be updated through Windows Update. To check for updates for applications or drivers, go to the manufacturer's website. Both hotfixes and service packs are specific to an OS system version. A hotfix for Vista will not work on Windows 7/ Hardware devices, such as the BIOS or many networking devices, store code in a special hardware ROM chip. This software is referred to as firmware. Updates are done by flashing (replacing and updating) the code stored on the chip. -Always follow the instructions when performing firmware update -Many updates are performed through a browser; some updates can only be performed by booting to special startup disks while outside of Windows. -Turning off the device or interrupting the update process could permanently damage the device.

Updates

They are periodically released to: -Fix bugs in programming code -Patch security vulnerabilities -Add features or provide support for new hardware