On a Windows Vista-based computer, you are playing an .mpg file format movie file in full-screen mode in Windows Media Center. However, when you press ALT+TAB to switch away from Windows Media Center, one of the following symptoms may occur:

Symptom 1

You receive an error message that states that Windows Media Center has stopped working.

Symptom 2

Windows Media Center displays a black screen.

Symptom 3

You receive the following error message:

Cannot Play Video

Additionally, an error message that resembles the following is logged in the Application log:

Log Name: Application
Source: Application Error
Date: Date
Event ID: 1000
Task Category: (100)
Level: Error
Keywords: Classic
User: N/A
Computer: ComputerName

Description: Faulting application ehshell.exe, version 6.0.6000.16386, time stamp TimeStamp, faulting module ntdll.dll, version 6.0.6000.16386, time stamp TimeStamp, exception code 0xc0000005, fault offset 0×0003b15f, process id ProcessID, application start time TimeStamp.