That basic issue is VERY common with software, especially Motorola software, of that vintage.
You need 32-bit, and generally a REAL RS-232 serial port. Some of these will work with certain USB adapters, but many won't.
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On 3/26/2025 11:51 PM, Bob KK6RQ via groups.io wrote:
And, (it bears constant repeating) original Astro CPS will launch/run on both 64 and 32 bit Windows but it will only physically talk to the radio on 32 bit. Astro Tuner lets you select higher com ports but only actually works on 1-4.
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