Solution
In Windows XP:
Right-click the [Start] menu to open the Windows Explorer. Then select [Start Menu] in [Administrator], [Programs], and delete the [Canon] folder.
In Windows Server 2003:
Right-click the [Start] menu to open the Windows Explorer. Then select [Start Menu] in [Administrator], [Programs], and delete the [Canon] folder
In Windows 2000:
Open [Settings] from the [Start] menu. Click [Taskbar & Start Menu], [Advanced], [Advanced ...], and select [Start Menu] in [All Users], [Programs] and delete the [Canon] folder.
In Windows 98/Me:
Open [Settings] from the [Start] menu. Click [Taskbar & Start Menu], [Start Menu Programs], [Remove], then select the [Canon] folder and click [Remove].