[A] [B] [C] [D] [E] [F] [G] [H] [I] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Z] icons, associating with file types  IdleHangUpSeconds key  ImagePath key  importing Registry data  ImportPath key  in-place activation (IPA)  incoming DUN calls, rings for  .INI (initialization) files      mapping  IniFileMapping key  input parameters, API routines  installing     SYSKEY utility      System Policy Editor      system policy files      tracking software installations      Windows NT  2nd  interface (NT), customizing  Interval key  IPA (in-place activation)  IPAddress key  IPEnableRouter key  IsDomainMaster key