Need help on windows 7 with Problem Event Name: BEX?

having trouble to opening the firefox or the internet explorer if i keep on pressing it eventually opens here is the problem below and thanks

Problem Event Name: BEX

Application Name: iexplore.exe

Application Version: 8.0.7600.17115

Application Timestamp: 50379d9d

Fault Module Name: StackHash_e98d

Fault Module Version: 0.0.0.0

Fault Module Timestamp: 00000000

Exception Offset: 24f27770

Exception Code: c0000005

Exception rel="nofollow">http://go.microsoft.com/fwlink/?linkid=104288&clci...

If the online privacy statement is not available, please read our privacy statement offline:

C:\Windows\system32\en-US\erofflps.txt