This policy setting prevents the display of the user interface for critical errors.If you enable this policy setting Windows Error Reporting does not display any GUI-based error messages or dialog boxes for critical errors.If you disable or do not configure this policy setting Windows Error Reporting displays the user interface for critical errors.
Policy path:
Windows Components\Windows Error Reporting 
Scope:
Machine 
Supported on:
At least Windows Vista 
Registry settings:
HKLM\SOFTWARE\Policies\Microsoft\Windows\Windows Error Reporting!DontShowUI 
Filename:
ErrorReporting.admx 
