com ports in use

  • Thread starter Thread starter Guest
  • Start date Start date
G

Guest

Trying to get free com ports in the range 0-9 I have removed several ports,
but on installing bt software the ports still start from high numbers eg
com23.

In the device manager I can find no hidden devices with com ports from com13
to com22, but when I change an existing com port all these are shown as "in
use"

How do I:

determine what software is using these ports?

change the "in use" status to clear, if they are not being used?

Help please!
 

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