Shared Documents & My documents

Shared document
Start registry editor and find the following key (Hkey_Local_Machine \ Software \ Microsoft \ Windows \ Currentversion \ Explorer \ My Computer \ Namespace \ Delegatefolders) if you see the key named (59031a47-3f72-44a7-89c5-5595fe6b30ee) just delete it, the document shared document will be automatically removed.

My Documents folder (hide/show)Go to start run and type Regedit go to the following registry key
Hkey_Current_User \ Software \ Microsoft \ Windows\ Curre Ntversion \ Explorer \ Clsid  \ { 450d8fba - Ad25 - 11d0 - 98a8 - 0800361b1103 } \ Shellfolder Modify / Create dword value of data type reg_dword named (attributes) setting for value data ( default =  0xf0400174 / hidden = 0xf0500174) close registry and restart your computer.