
To assist us please post as much information as possible including your
version of Windows etc.
For Vista:
UPDATES FAIL TO INSTALL
1. Open Windows Update by clicking the Start button , clicking All Programs,
and then clicking Windows Update.
2. In the left pane, click View update history.
3. Find an update for Windows that has failed to install, and then
double-click the update to view more information.
Updates that have failed to install will display Failed under Status, next
to the update name.
4. In the Windows Update dialog box, next to Error details, review the error
code for the failed update.
5. Either follow the links in the Windows Update dialog box under More
Information or Help and Support to try to fix the problem, and then try
installing updates again by using Windows Update in Control Panel or post
back with the error code so perhaps someone may be able to assist further.
and/or
Description of the System Update Readiness Tool for Windows Vista
http://support.microsoft.com/kb/947821
For XP -
How to troubleshoot common Windows Update, Microsoft Update, and Windows
Server Update Services installation issues
http://support.microsoft.com/kb/906602
Updates are not installed successfully from Windows Update, from Microsoft
Update, or by using Automatic Updates after you perform a new Windows XP
installation or you repair a Windows XP installation
http://support.microsoft.com/kb/943144
You Cannot Install Some Updates or Programs
http://support.microsoft.com/kb/822798
0x80096001 0x80096005 0x80096010 0x800B0001 0x800B0003 0x800B0004 0x800B0109
0x8007f0da 0x8007f01e
You cannot install updates that you download from the Windows Update Web
site on a Windows XP-based computer
http://support.microsoft.com/kb/934648/