Check: Disconnect the USB cable, then uninstall and reinstall the MP Drivers and MP Navigator EX.
Step 1: Uninstall the MP Drivers.
See "Deleting the Unnecessary MP Drivers" for details.
Step 2: Uninstall MP Navigator EX.
From the Start menu, select All Programs > Canon Utilities > MP Navigator EX 5.0 > MP Navigator EX Uninstall.
NoteIn Windows 7 or Windows Vista, a confirmation/warning dialog box may appear when installing, uninstalling, or starting up software.
This dialog box appears when administrative rights are required to perform a task.
If you are logged on to an administrator account, follow the on-screen instructions.
When a confirmation appears, click Yes.
When uninstallation is complete, click OK.
MP Navigator EX is uninstalled.
Step 3: Reinstall the MP Drivers and MP Navigator EX.
Insert the Setup CD-ROM into the computer's disc drive, then select Custom Install and reinstall the MP Drivers and MP Navigator EX.