The software is a critical legacy version used for the TL866A and TL866CS universal chip programmers. It is often described as the "fixed" or "known-good" version because subsequent updates (specifically v6.80 and v6.81) were reported to contain "anti-counterfeit" code that could potentially brick devices that the manufacturer identified as non-genuine. Why Version 6.71 is Preferred
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To use the official v6.71 software on modern Windows, the user must manually disable Driver Signature Enforcement via the Advanced Startup options. This is generally considered an insecure practice. minipro 671 download fixed