I found a version of 1.1.1 at the following site:
https://drivers.softpedia.com/get/SCANNER-Digital-CAMERA-WEBCAM/CANON/Canon-EOS-60D-Camera-Firmware-111.shtml
Seems to have done the trick!
https://drivers.softpedia.com/get/SCANNER-Digital-CAMERA-WEBCAM/CANON/Canon-EOS-60D-Camera-Firmware-111.shtml
Seems to have done the trick!