If you're like me and view all folders in detail view, you're probably a little miffed that full-row selection is not only enabled by default but appears to be hard-wired and un-turnoffable ()
Well fret no longer because if you're fine about working in the registry then you can back it up and put it right:
Under the key:
Create a new REG_DWORD value named FullRowSelect. Leave it's data as 0x0.
At this point, only new folders created would show the behavior you desire, because the state of this flag is saved with every folder view. To apply to all folders, you need to delete saved folder views by deleting the following two keys:
Credit has to go to the Microsoft MVP only known as Keith for this tip.