Do your COM ports look like this?
Then you've probably just discovered Windows is rubbish at handling USB COM port devices if you plug and unplug them willy-nilly.
How to clean out your COM port cruft:
- Run Command prompt with the elevated privileges.
- To enable device manager show absent device(s) enter devmgr_show_nonpresent_devices=1
- Restart computer & Run Command prompt with the elevated privileges.
- Enter cd c:\Windows\system32
- Enter devmgmt.msc
(device manager is now running elevated and showing 'nonpresent' devices)
- In device manager activate the display of hidden devices from the top menu by clicking View > Show hidden devices.
(This will list all devices including those that are no longerconnected)
- Expand the Ports (Com&LPT) section, all the COM ports that have ever been created will be displayed (the hidden and unused ones being in grey).
- Uninstall to your heart's content (right click, select Uninstall).
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