Why this happen
"#Error: System.Reflection.TargetInvocationException
Exception has been thrown by target of an invocation.
at System.RuntimeMethodHandle._InvokeMethodFast(Objec t target, Object[] arguments, signatureStruct& sig, MethodAttributes method Attributes, RutimeType Handle type Owner)
at System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object[] arguments, signature sig, MethodAttributes method Attributes, RutimeType Handle type Owner)
at System.RuntimeMethodInfo.Invoke(object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks)
at System.RuntimeMethodInfo.Invoke(object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
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(Object, Object, Object)
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(Object, Object)
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(Object, Object)
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(Object)
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(String[])
Microsoft.VisualBasic.AplicationServices.CantStart SingleInstanceException: This single-instance application coud not connect to the orginal instance.
at . . (String[])
Using .NET Runtime: 2.0.507272 .5472
Created with .NET Runtime: 2.0.50727 .5466"
"#Error: System.Reflection.TargetInvocationException
Exception has been thrown by target of an invocation.
at System.RuntimeMethodHandle._InvokeMethodFast(Objec t target, Object[] arguments, signatureStruct& sig, MethodAttributes method Attributes, RutimeType Handle type Owner)
at System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object[] arguments, signature sig, MethodAttributes method Attributes, RutimeType Handle type Owner)
at System.RuntimeMethodInfo.Invoke(object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks)
at System.RuntimeMethodInfo.Invoke(object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at
.
.
(Object, Object, Object)
at
.
.
(Object, Object)
at
.
.
(Object, Object)
at
.
.
(Object)
at
.
.
(String[])
Microsoft.VisualBasic.AplicationServices.CantStart SingleInstanceException: This single-instance application coud not connect to the orginal instance.
at . . (String[])
Using .NET Runtime: 2.0.507272 .5472
Created with .NET Runtime: 2.0.50727 .5466"