Check the box at the bottom of the compatibility menu that says "Run this program as an administrator." This allows the older software to properly communicate with your computer's physical USB ports.
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Windows 10 automatically blocks the installation of hardware drivers that lack digital signatures from Microsoft. You must temporarily lift this restriction: Check the box at the bottom of the
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: Use the built-in catalog search within Topwin to select the exact make and model of the microcontroller or EPROM sitting in your ZIF socket.