Solution
If Toolbox is installed on your computer, you can start it by following the procedure below.
Click the [Start] menu and select [(All) Programs] - [Canon Utilities] - [CanoScan Toolbox 4.x], and click [CanoScan Toolbox 4.x].
Open [Applications] - [Canon Utilities] - [CanoScan Toolbox 4.x] folders, then double-click the [CanoScan Toolbox 4.x] icon.
