That us exactly what I did and it works find now. Let me make a few points and then you can close this if you want:
1) yes I am using nothing but basic settings including changing next to nothing in fences. I turn off the option to always show fence groups at boot and I sort the three default fence groups by name.
2) my Norton 360 settings are the basic settings. I would not know what to change for explorer.exe.
3) This has been going on a long time with Frnces.
4) The bug or design flaw is highly intermittent. I can not possibly say what triggers it.
5) Clearly if the fix is to remove fences settings the bug or design flaw is in fences.
You can what you want with my report. But I doubt my situation is unique because I really am not doing anything all that unique.
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