yes, here it is the code, try it and let me know if it worked :
Private Sub Form_Load()
On Error Resume Next
For i = 65 To 90
x = Dir(Chr(i) & ":\", vbDirectory + vbHidden + vbSystem)
If Err = 52 Then
If x <> "" Then AllDir = AllDir & (Chr(i) & ":\")
I Developed application in C# with crystal reports and created setup file in third party (Advance) Installer.When i installed my application on client system application is working but ...