Canon XEED WUX450 - Manual (Page 214)

Installing the NMPJ Application
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4
After uninstallation is finished, click [OK] when the confirmation message
is displayed.
5
Delete the following folder manually.
Windows XP
C:\Documents and Settings\\Local Settings\Application
Data\Canon\NMPJ
Windows Vista
C:\Users\\AppData\Local\Canon\NMPJ
Windows 7
C:\Users\\AppData\Local\Canon\NMPJ
You may need to restart the computer to complete the uninstallation process. If restarting
is requested, always restart the computer.
These files are hidden. To view hidden files in Windows Explorer, select [Folder options] >
[View] > [Show hidden files, folders, and drives].