first disable just the error reporting from control panel !
How To Disable Error Reporting in Windows 7
Choose the "never" thing ;p
second go to run and type that command "Regedit"
then search for both :-
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Wi ndows\ErrorMode.
HKEY_CURRENT_USER\Software\ Microsoft\Windows\Windows Error Reporting\DontShowUI
Change errormode and dontshowUI to value (1) instead of (0) and restart your pc