Learn what to do when you get a notification about an expired certificated when installing the ScanGear scanner driver on your Macintosh computer.
The expired certificate notice
When installing the scanner driver for your Canon product on a Macintosh computer:
- If you see the following message:
![screen shot of the expired certificate notice window](/library/CANON/CITS_TECH_SUPPORT/Printers/PIXMA/PIXMA%20MX%20Series/PIXMA%20MX922/Scan%20(Mac)/Certificate-1.jpg)
- Select Show Certificate to display the following information:
![screen shot of the developer ID installer: Canon certificates](/library/CANON/CITS_TECH_SUPPORT/Printers/PIXMA/PIXMA%20MX%20Series/PIXMA%20MX922/Scan%20(Mac)/Certificate-2.jpg)
What to do to finish safe installation
- Select Continue to proceed with the installation.
- The driver will install normally.