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"Installation Failure. Unknown Error (-2147024770)" Error Message When You Try to Use Windows Update
Article ID: 315297 - View products that this article applies to.
This article was previously published under Q315297
When you try to use Microsoft Internet Explorer to update Windows from the Windows Update site (http://update.microsoft.com
(http://update.microsoft.com)), you may receive the following error message:
Installation Failure. Unknown Error (-2147024770)
This problem may occur if Internet Explorer has some damaged files, or if the Inseng.dll dynamic link library (DLL) file is not registered.
To resolve this problem, use the following methods in the order in which they are presented.
Method 1: Register the Inseng.dll File
Method 2: Repair Internet ExplorerUse one of the following procedures, as appropriate for your operating system.
Windows 2000 Service Pack 1 (SP1) or later, Windows Millennium Edition (Me), or Windows 98NOTE: Because there are several versions of Microsoft Windows, the following steps may be different on your computer. If they are, see your product documentation to complete these steps.
Windows 2000 without SP1 or Service Pack 2 (SP2)
Method 3: Reinstall Internet ExplorerReinstall your current version of Internet Explorer, or upgrade to the latest version of Internet Explorer. To obtain the latest version of Internet Explorer, visit the following Microsoft Web site:
Internet Explorer Update