The opcom.sys driver is incompatible with Windows 10 builds later than 1909. Solution: In the Fantomel 2021 folder, look for Opcom_Vista_7_8_10.sys . Rename the original opcom.sys to opcom.sys.bak and replace it with the Vista-compatible version. Run in Windows 7 Compatibility Mode.
When it worked, the results were exhilarating. A mechanic could program a new key fob for a 2015 Astra K in minutes—a service that dealers charged hundreds for. When it failed, however, it resulted in hours of troubleshooting. opcom fantomel download 2021