Turning of the feature just freezes it.
ClearRecentDocsOnExit
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
Data type Range Default value
REG_DWORD 0 | 1 0 0
Description
Deletes the contents of the Documents menu when the user logs off.
The Documents menu contains shortcuts to the non-program files the user opened most recently.
NoRecentDocsHistory
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
Data type Range Default value
REG_DWORD 0 | 1 0
Description
Prevents the system from saving shortcuts to documents the user has recently opened.
By default, the system saves a shortcut to each of the non-program files the user most recently opened and displays the shortcuts on the Start menu under Documents. The shortcuts let users easily review and restart recently used documents.
NoFileMru
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Comdlg32
Data type Range Default value
REG_DWORD 0 | 1 0
Description
Removes the list of most recently used files from the standard Open dialog box.
MaxRecentDocs
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
Data type Range Default value
REG_DWORD 0x0 - 0xFFFFFFFF shortcuts 0xF (15 shortcuts)
Description
Determines how many shortcuts the system can display in the Documents menu on the Start menu.
NoRecentDocsMenu
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
Data type Range Default value
REG_DWORD 0 | 1 0
Description
Removes the Documents menu from the classic Start menu.
The Documents menu contains links to the non-program files that users have most recently opened. It appears so that users can easily reopen the documents.
Policy:Remove Recent Documents item from Start Menu
Description:Removes the Recent Documents folder from the Start menu. Also
removes the corresponding checkbox from the Start menu customization CPL.
Registry Value:"NoRecentDocsMenu"
) Will start storing your posts 