Ports under Device Manager is not available

I have an application that requires frequent updates of the port "com."  Usually I go in Control Panel-> system-> hardware-> device-> Ports (COM & LPT) Manager to find out which port is used for the connection.  Don't know how but my Ports (COM & LPT) section disappeared.  There is no way to find what the advanced application com continually guess 1 to 9.  Then, the cable connected to the USB port is connected to other devices to download information.  Downloads do not work and I get errors of connectivity no matter what USB port I use.  The cable has been tested, the material information has been tested... both work very well.  It must be the service Ports that is missing that is causing the problem.  How can I get this problem without having to reconfigure my desktop?

Hello

I suggest you to refer to this link and check if it helps:

http://support.Microsoft.com/kb/314464

It will be useful.

Tags: Windows

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