Installing Windows services gives an error

I created a simple windows service on my local PC and added the following code to it

 Protected Overrides Sub OnStart(ByVal args() As String)
    Const iTIME_INTERVAL As Integer = 60000      ' 60 seconds.
    Dim oTimer As System.Threading.Timer

    System.IO.File.AppendAllText("C:\AuthorLog.txt", _
        "AuthorLogService has been started at " & Now.ToString())

    Dim tDelegate As Threading.TimerCallback = AddressOf EventAction
    oTimer = New System.Threading.Timer(tDelegate, Me, 0, iTIME_INTERVAL)
End Sub

Protected Overrides Sub OnStop()

End Sub


Public Sub EventAction(ByVal sender As Obj开发者_StackOverflow中文版ect)
    System.IO.File.AppendAllText("C:\AuthorLog.txt", _
        "AuthorLogService fires EventAction at " & Now.ToString())
End Sub

Next I added a Setup project to this solution and added a custom action (By double clicking application folder then clicking add output folder then selecting primary output from the dialog). The solution builds fine but I have 2 problems.

1) Everytime I install the service, it asks me for the username, password and confirm password; I was wondering if there was anyway to get rid of it atleast while running locally. I tried setting the account type to user, local service, local system etc but it keeps popping up.

2) Once I enter the credentials (random ones), I get an error "No mapping between account names and security ids was done".

Kindly help me out

1: You could make your service be selfinstalling as in this codeproject article and then just send in the username/password you want to use to the ServiceProcessInstaller.

2: Try entering the credentials in a different format. If you're currently using ".\user" try writing "computer\user" or vice versa.