Most versions of this software are locked to a single PC via a "Hardware ID". Changing your CPU or motherboard will often break the license.
MG2120, MG3540, MG3640, MG5140, MG5240, MG5450, MG5740, MG6140, MG7140, MG7540. MX Series: MX320, MX397, MX410, MX497, MX537. Pro Series: Pro 10, Pro 100, Pro 9000 Mark II. Canon Service Tool V5204 Download
You can download the tool from various third-party utility sites. Download Canon Service Tool v5204 via Printer Guider. Most versions of this software are locked to