Here is how to have Device Manager show any "phantom" ports.

Click Start
Click Run
Type cmd.exe in the textbox and click OK
Type set devmgr_show_nonpresent_devices=1 and hit ENTER
Type cd\windows\system32 and hit ENTER
Type start devmgmt.msc and hit ENTER
When the device manager opens, click the View menu
Click Show Hidden Devices
Click on the + sign next to the Ports to see the full list of Com ports being used
Highlight the port you wish to delete and then press delete

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Michael Walker

Michael Walker Technology

Michael Walker Aerial Photography
www.walkerphotography.ca [1]