Two possibilities to check:

First, be absolutely sure that you don't have a copy of MixW already 
running.  It is very easy to try to start a second copy by accident.

Second, go to (in Windows) Control Panel > System > Hardware > Device 
Manager and look under Ports (COM & LPT) to see for sure what the 
number of the USB Serial Port you are using should be.

Scott/K6IX

k9qam2 wrote:
> ***** This is the Error Message that I get when I try to load MixW *****
> 
> "The sound card you have chosen - RigExpert (com12) is already in use
> or does not exist or does not support wave format. Sound Card
> operation is disabled".
> 
> My Equipment:
> 
> Software...MixW
> 
> Interface..RigExpert
> 
> XCVR.......Yaesu FT-1000D
> 
> Any help would very much be appreciated 
> 
> Ron Smith K9QAM
> La Pine, Oregon
> 
> 
>  
> 
> 
> 
> For general discussion on digital modes, try our sister relector at 
> http://groups.yahoo.com/group/digitalradio 
> Yahoo! Groups Links
> 
> 
> 
> 
> 

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