Top Windows Update from Microsoft Supporthttp://support.microsoft.com/ph/6527The latest support information about Windows Update from Microsoft Product Support Services. Install Windows Updates, Error 0x80070643http://support.microsoft.com/kb/976982#phrssInstallationUsers receive a 0x80070643 when attempting to install Windows updates. This error is normally related to the Windows installer, but could occur with Office Updates or .Net Framework Windows Update or Microsoft Update repeatedly offers the same updatehttp://support.microsoft.com/kb/910339#phrssInstallationSee this helpful troubleshooting guide. Error: 0x80070005 when you try to install updates using Microsoft Update or Windows Updatehttp://support.microsoft.com/kb/968003#phrssInstallationThis error can occur if you don't have the correct permissions to install a particular update. Computer hangs while on the "Installing Updates - X of X" screen during a Windows Update.http://windows.microsoft.com/en-us/windows7/Troubleshoot-problems-with-installing-updates#phrssInstallationAn automatic troubleshooter is available that fixes some problems with Windows Update, and might resolve this error for you. After users install Windows Updates they see high CPU usage in task managerhttp://windows.microsoft.com/en-US/windows7/Exit-a-program-that-isnt-responding#phrssInstallationIf a program on your computer stops responding, Windows will try to find the problem and fix it automatically. If you don't want to wait, you can end the program yourself by using Task Manager. Error: Windows failed to start. A recent hardware or software change might have caused the issuehttp://windows.microsoft.com/en-us/windows7/Troubleshoot-problems-with-installing-updates#phrssInstallationAn automatic troubleshooter is available that fixes some problems with Windows Update, and might resolve this error for you. Error Code 0x80073712 occurs in Windows Update or Microsoft Updatehttp://support.microsoft.com/kb/957310#phrssInstallationUsers receive an error 0x80073712 when attempting to install Windows Updates. You receive error: Stop error code 0x0000007B (INACCESSIBLE_BOOT_DEVICE) after you install Windows Updateshttp://support.microsoft.com/kb/2673509#phrssInstallationTo fix this error, follow the methods described in this KB article. When users try to install Windows Updates the install hangshttp://support.microsoft.com/kb/906602#phrssInstallationThis article describes how to troubleshoot common issues that may occur when you try to install an update by using Windows Update, Microsoft Update, or Windows Server Update Services. When users try to download Windows Updates, it hangs at 0%http://support.microsoft.com/kb/971058#phrssInstallationThis article will help you reset Windows Update components. You receive a "0x80070490" error code when you use Windows Update or Microsoft Update Web sites to install updateshttp://support.microsoft.com/kb/958044#phrssInstallationWhen you install updates using Windows Update or Microsoft Update, you might receive a Error code: 0x80070490 if the Component-Based Servicing (CBS) manifest is corrupted. When users try to install SP1 for Win 7, they get error: 0x80073701http://support.microsoft.com/kb/2700530#phrssInstallationWhen you try to install SP1 on Windows 7, you get Error: 0x80073701. Error: Windows Update Cannot Check For Updates, Because The Service Is Not Runninghttp://support.microsoft.com/kb/906602#phrssInstallationThis article describes how to troubleshoot common issues that may occur when you try to install an update by using Windows Update, Microsoft Update, or Windows Server Update Services. Error: Failure configuring Windows updates. Reverting changes. Do not turn off your computer. http://support.microsoft.com/kb/949358#phrssInstallationTo resolve this issue, use one of the methods in this article. Error 0x800B0100 when updates installed by Windows Update or Microsoft Updatehttp://support.microsoft.com/kb/956702#phrssInstallationThis issue can occur if the Windows security .dll files are registered incorrectly.