How to fix this problem it always message connection is busy?

When i use a tracing for debugging it is always not busy and automatic display the form.. but when i'm not in a environment of foxpro , im using now the exe when i run the executbale file it is always said connection is busy.. It is a mysterious defacto of this foxpro because u know i'm tracing and running the foxpro is not occur automatically the error that is in outside the environment running the executable files will be occur...Just anyone Help for this and i will share also what i have...Thank you and God Bless you...