I'd never ever had any kind of problem 'till now. BUUUUUUUUT, most USB-2-serial may access COM up to 255/255. VB6 original component is usually able to work within COM1:COM15 range. With VB6, So the only kind of limitation is if you can't modify the COM port that your converter use.
You could find some info over the net to modify the VB6 control, or, i'll suggest you to move on newer .Net version (express work great).
In .NET you also could build a list of available COM port in 2-3 code lines.
Now, i use PIC with USB.
Steve
It's not a bug, it's a random feature.
There's no problem, only learning opportunities.
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