IE 7 keeps crashing

[mike13]

IE7 has been crashing the past two weeks and I get the following "
I am running Vista Ultimate

Problem signature:
Problem Event Name: APPCRASH
Application Name: iexplore.exe
Application Version: 7.0.6001.18000
Application Timestamp: 47918f11
Fault Module Name: StackHash_fd00
Fault Module Version: 0.0.0.0
Fault Module Timestamp: 0
Exception Code: c0000005
Exception Offset: 00002ef1
OS Version: 6.0.6001.2.1.0.256.1
Locale ID: 1033
Additional Information 1: fd00
Additional Information 2: ea6f5fe8924aaa756324d57f87834160
Additional Information 3: fd00
Additional Information 4: ea6f5fe8924aaa756324d57f87834160


I Googles stackhash_fd00 which I think is a lead, but I can't see any answers that I understand. Help, please Mike