To disable the feature in WinXP which tries to send a report to microsoft every time a program crashes you will have to do this:
*************************************************************************
Open Control Panel
Click on Preformance and Maintenance.
Click on System.
Then click on the Advanced tab
Click on the error reporting button on the bottom of the windows.
Select Disable error reporting.
Click OK Click OK
*************************************************************************
Windows 7
Open Control Panel
All Control Panel Items
Action Center
Problem Reporting Setting
Click Never check for solutions
**************************************************************************
Turn Messages on or off windows 7
Open Control Panel
All Control Panel Items
Action Center
on left click on Change Action Center Settings
****************************************************************************