Windows Explorer Has Stopped Working???

Question

Hi, I have Windows Vista and been having Issues with right clicking .exe programs as it keeps saying "Windows Explorer Has Stopped Working". After receiving that message It restarts the desktop. I have checked the "Problem Reports and Solutions" and this Is what came up:Problem signatureProblem Event Name: APPCRASHApplication Name: explorer.exeApplication Version: 6.0.6001.18000Application Timestamp: 47918e5dFault Module Name: StackHash_18c3Fault Module Version: 6.0.6001.18000Fault Module Timestamp: 4791a7a6Exception Code: c0000374Exception Offset: 000b015dOS Version: 6.0.6001.2.1.0.768.2Locale ID: 2057Additional Information 1: 18c3Additional Information 2: f710a60e4123722314049ce37661845bAdditional Information 3: a32aAdditional Information 4: 6a08746495a43c73bd3146da0ab9e5c3Extra information about the problemBucket ID: 814142534If you can help then that's great, cheers ;)