If you previously installed general Android ADB or older Spreadtrum drivers, uninstall them from the Device Manager before installing the new Infinity CM2 driver package to avoid port assignment conflicts. Infinity-Box Downloads & Support - Infinity-Box
Many scam websites offer "Universal CM2 driver downloads" that contain malware. Do not trust .exe files from unknown sources.
Choose and point to the extracted driver folder. Complete the wizard to map the driver successfully. Troubleshooting Common Connection Issues