Enable/Disable Error Reporting in Windows XP

Open Control Panel.
Click on Performance 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] [OK]

or

[Start] [Run] [Regedit]
Registry Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\PCHealth\ErrorReporting
Modify/Create the Value Name according to the Value Data listed below.
Data Type: REG_DWORD [Dword Value] // Value Name: DoReport
Value Data: [0 = Don’t Send Reports / 1 = Do Send Reports]
Exit Registry and Reboot