I have a similar problem, but when directed to disable DEP on Explorer.exe, I get an error message that I can't do that with a 64 bit exe. My error message is:
Problem Event Name: APPCRASH
Application Name: explorer.exe
Application Version: 6.1.7601.17567
Application Timestamp: 4d672ee4
Fault Module Name: EXPLORERFRAME.dll
Fault Module Version: 6.1.7601.17514
Fault Module Timestamp: 4ce7c6a8
Exception Code: c0000005
Exception Offset: 00000000000411d1
OS Version: 6.1.7601.2.1.0.256.1
Locale ID: 1033
Additional Information 1: 5659
Additional Information 2: 5659bf5e341780a265bd9817b4564082
Additional Information 3: 3c43
Additional Information 4: 3c433399424e4e49adf88e8153b9714e
It appears that my problem is somehow related to the EXPLORERFRAME.dll
Any suggestions would be greatly appreciated. I can't launch explorer from a shortcut or quicklaunch icon, but have to rely on explorer launched by anoter method like run, save as, or open.