Many people get confused or does not remember what that program does For eg Winrar name of program does not specify its functionality  it became more important when we have two or more options   so here is better way   Step 1   open start menu type run in search bar    now type regedit    it will open registry editor  [ Note :- be careful while changing any other entry in  registry editor as  registry is consider to be an d.n.a. of windows operating system any change here will change the functionality of operating system]   Step 2   For vista and Windows 7   follow path   HKEY_CURRENT_USER > Software > Classes > Local  Settings > Software > Microsoft > Windows > Shell > MuiCache       For windows 2000 (NT),XP    follow path  HKEY_CURRENT_USER > Software > Microsoft > Windows > ShellNoRoam > MUICache  Now you can see the list full of program names   Step 3  look at right column for program name to be changed here am going to change "FireFox...
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