Enable/Disable Friendly Tree of Folders

In the Folder Explorer Window...we see automatic expansion of folder trees.
Some times this becomes unwanted. This feature is called Friendly Tree.We can enable or disable this feature using a registry value:

For this we need to edit registry,follow the steps below:

1.In run command type REGEDIT
now u get the registry editor window
2.Expand the HKEY_CURRENT_USER
3.Find and Navigate to:HKEY_CURRENT_USER\Software\Microsoft\ Windows\CurrentVersion\Explorer\Advanced
4.Change the DWORD-value FriendlyTree to 0 (instead of 1)
5.You are done.Exit editor