Canon DIM-521A - Manual (Page 98)

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Uninstalling the Software
Uninstall the software when you wish to delete it from your computer or
when reinstallation is required to fix corrupted files.
Uninstalling ImageBrowser and PhotoStitch
Move the program’s folder into the Trash to uninstall programs such as
ImageBrowser and PhotoStitch.
If the program folders contain subfolders into which still images/movies
have been saved, be careful not to accidentally delete those subfolders.