Removing Shared Documents folder From My Computer window:
Open registry editor by going to Start then Run and entering regedit. Once in registry,
navigate to key
HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ Explorer \
My Computer \ NameSpace \ DelegateFolders
You must see a sub-key named {59031a47-3f72- 44a7-89c5- 5595fe6b30ee} . If you
delete this key, you have effectively removed the my shared documents folder.