They don't promise "magic fixes." They give you the data to fix the problem yourself.
To obtain a fully functional version of the software, the developer recommends contacting them directly via email at alexeikobak@gmail.com . apc-fix full version download
: The software requires an APC Smart-Signaling COM port cable (e.g., 940-0024C or 940-1524D). USB-to-Serial adapters may work, but native USB connections are not supported. They don't promise "magic fixes
Third-party antivirus suites (McAfee, Norton, Avast) inject code into the kernel. This frequently causes APC Index mismatches. apc-fix full version download