On systems where an application or device is actively using UIAutomation (Tablet, Multi-touch, etc), the IDE may crash if the user is typing while intellisense is being displayed or dismissed.

KB article describing this problem will be posted to http://support.microsoft.com/default.aspx?scid=kb;EN-US;980615 in the next few days.

A hotfix that addresses this problem can be downloaded from the following locations:

MSConnect: http://connect.microsoft.com/VisualStudio/Downloads/DownloadDetails.aspx?DownloadID=26662
Code Gallery:  http://code.msdn.microsoft.com/KB980610