I can tell from your AERO glass windows that its Vista 0x80070490 E_PROP_ID_UNSUPPORTEDPermission denied / [Problem initializing or using session variables] orElement not foundCan you download/install KB940157 manually?1. Assuming 32-bit, go to[URL] Save the download to your desktop (do not Run it).2. Right-click on the saved file and select Run as Administrator to install.Follow all prompts. [URL]   Free unlimited installation and compatibility support is available for Windows Vista, but only for Service Pack 1 (SP1). This support for SP1 is valid until June 30, 2009. Availability of chat or e-mail support differs depending on your geographic location. For customers residing in North America or Canada, chat and e-mail support is available. Some issues may require more advanced support for which there is a charge.     To resolve this issue, you must perform a repair installation of Windows Vista or Windows Server 2008. Performing a repair installation will restore the current Windows installation to the version of the installation DVD. This also requires the installation of all updates that are not included on the installation DVD. Note Performing a repair installation will not damage files and applications that are currently installed on your computer.To perform a repair installation of Windows Vista or of Windows Server 2008, follow these steps:    To resolve the issue, follow the steps that are appropriate for your operating system.  ***********************************************************************************************************************************************************************  To resolve this issue, use the System File Checker to verify that the correct versions of the system files are present. To do this, follow these steps:  For more information about the System File Checker, click the following article number to view the article in the Microsoft Knowledge Base:  If the System File Checker does not resolve the issue, you must perform a repair installation of Windows XP. For more information about how to perform a repair installation of Windows XP, click the following article number to view the article in the Microsoft Knowledge Base:  After the repair installation is complete, try to install the updates again.Note Performing a repair installation will not damage files and applications that are currently installed on your computer.   
I am running Vista Home Premium x86 on my XPS M1530. Recently when i tried to update windows, through Control Panel -> Windows Update, i was presented with this error - [IMAGE]   I have already trying the steps which includes re-registering some dll files, like -  regsvr32 wuapi.dll regsvr32 wuaueng.dll regsvr32 wuaueng1.dll regsvr32 wucltui.dll regsvr32 wups.dll regsvr32 wups2.dll regsvr32 wuweb.dll   Any help will be mostly appreciated. Thanks.
Unable to update windows. Error:80004002