whichever destination you chose when you were making the library. right click on the library and click properties to find out were it is linked
Save Location
Default save location
Save Location
save location
in the windows explorer window, what appears in the right pane when you click a folder in the left pane?
A plus sign to the left of a folder in Windows Explorer indicates that the folder is: a Parent folder containing Subfolders within.
windows explorer
On a Mac it is in the iTunes folder in the Music folder. On a Windows PC it is in the Music folder (or My Music inside My Documents on Windows 7).
Right click on the folder and press delete
Library
Library
Backspace
Select folder & press " f3 " key on keyboard.......
Because they are hidden