WSC (Windows Standard Serial Communications) FAQ

Still Getting Shareware Screen

Question: Although I have registered, I am still getting the shareware popup window.

Answer: Windows loads the first copy of the DLL that it finds. Search for and delete (or zip up) all copies of WSC16.DLL and WSC32.DLL except the registered copy.


Question: Why am I getting an "ACCESS DENIED" Error ?

Answer: There are two ways that you can get an ACCESS DENIED error. The first is that another application has opened your serial port. A serial port cannot be shared between applications. The second way is if you have exited your program without calling SioDone, AND you are running from within an development environment (such such Visual Basic). To force the port closed, terminate the development environment program.

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