Internet Explorer 8 crashes because error in Mshtml.dll: "Event ID: 1000"

Applies to: Internet Explorer 8

Not sure if this is the right fix? We've added this issue to our memory dump diagnostic which can confirm.


When you try to use Internet Explorer 8 on a computer that is running Windows 7 or Windows Vista, Internet Explorer 8 crashes.

When this occurs, an error message that resembles the following is logged in the Application log:
Event Type:Error
Event Source:Application Error
Event Category:(100)
Event ID:1000
Faulting application iexplore.exe, version <version number>, faulting module mshtml.dll, version <version number>, fault address <address>.

Note If you don't see this event logged in the Application log, the resolution in this article does not apply to your situation.


To resolve this problem, install the latest Windows updates. To do this, visit the following Microsoft website:
Microsoft Update


Note This update was first included in security update 978207 (MS10-002). For more information, click the following article number to view the article in the Microsoft Knowledge Base:

978207 MS10-002: Cumulative Security Update for Internet Explorer

For more information about how to keep your system up-to-date, visit the following Microsoft website: For more information about other versions of Internet Explorer, visit the following Microsoft website: