When I open the toolbox to scan, I get a message that says "MF tolbox application has stopped working A problewm caused thw program to stop working correctly"

Scanning with [Start] on the Machine
By pressing [SCAN] [Start] on the operation panel of the machine, you can scan
documents to your computer.
Pressing [SCAN] [Start] has the same effect as clicking [Save] in the MF Toolbox.
You can change the settings for [Save], or set up a button other than [Save] to
perform the same operation. (See “Setting the Scanning Function for [Start],” on p.
3-3.)
NOTE
You can use the machine for only a local scanner (connected directly to your computer).
1 Place the document face-down on the platen glass or load it
face-up in the ADF
2 Press [SCAN] [Start] on the machine.
If you are asked to select a program to launch, select “MF Toolbox Ver4.7.”
Scanning starts.
The MF Toolbox and the [Save] dialog box will open, but the document will be
scanned without pressing [Start] in the [Save] dialog box.
The scanned document will be processed according to your settings.
When you use [Start] for the first time, a folder with the scanning date will be created in
the [My Pictures] folder in the [My Documents] folder, and your document will be
saved in this folder. If there is no [My Pictures] folder, the folder with the scanning date
will be created in the [My Documents] folder and your document will be saved in this
folder2 Press [SCAN] [Start] on the machine.
If you are asked to select a program to launch, select “MF Toolbox Ver4.7.”
Scanning starts.
The MF Toolbox and the [Save] dialog box will open, but the document will be
scanned without pressing [Start] in the [Save] dialog box.
The scanned document will be processed according to your settings.
When you use [Start] for the first time, a folder with the scanning date will be created in
the [My Pictures] folder in the [My Documents] folder, and your document will be
saved in this folder. If there is no [My Pictures] folder, the folder with the scanning date
will be created in the [My Documents] folder and your document will be saved in this
folder2 Press [SCAN] [Start] on the machine.
If you are asked to select a program to launch, select “MF Toolbox Ver4.7.”
Scanning starts.
The MF Toolbox and the [Save] dialog box will open, but the document will be
scanned without pressing [Start] in the [Save] dialog box.
The scanned document will be processed according to your settings.
When you use [Start] for the first time, a folder with the scanning date will be created in
the [My Pictures] folder in the [My Documents] folder, and your document will be
saved in this folder. If there is no [My Pictures] folder, the folder with the scanning date
will be created in the [My Documents] folder and your document will be saved in this
folder