You are using Windows Media Center and it’s crashing from time to time.If it happens you need to look at the Media Center log files to find out why it’s happening.
How to launch Media Center log:
Press Win + R keys to launch Run menu.
In the open space copy and paste the following and press the Enter key :
This will launch the Media Center event viewer logs.
To view Error logs:
Look at the Errors with red exclamation signs against them and double click on them to view the errors.
Source:TechNet wiki Article