This mini tutorial will show you how you can find and uninstall all those extra COM ports you may have registered from years of microcontroller-hacking.
You may have noticed that every time a new FTDI-based board is plugged in, you get a new COM port. You might also get new COM port assignment with adapters, etc. Eventually you can get into pretty high COM port numbers and that can be really annoying! For example, on my 6-month old Windows 7 install I’m already up to COM38!
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This is a great tip. Especially as I’m well over COM120 myself :oD