Download breaks after win03 SP1 install

[Ayrin]

The code below works fine on my Windows2003, dotnet 1.1 server. UNTIL I
install service pak one for Windows 2003.
After I install SP1 this code brings up the Open/save box but one you select
something, nothing happens (0% downloads)
If I run this code on my dev machine with winXPsp2 and IE7, the code only
works for text files. Other files will download, but they are corrupt when
I open them.(missing bytes I think)

Does anyone have this working with a fully patch 03 server? How?

Thanks,
Ayrin

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As
System.EventArg s) Handles MyBase.Load
Dim path2 As String

Try
path2 = Request.Params( "File")
path2 = "C:\Attachments \" & path2
Dim file As System.IO.FileI nfo = New System.IO.FileI nfo(path2)

HttpContext.Cur rent.Response.C lear()
HttpContext.Cur rent.Response.A ddHeader("Conte nt-Disposition",
"attachment;fil ename=" + file.Name)
Response.AddHea der("Content-Length", file.Length.ToS tring)
Select Case file.Extension
Case ".xls"
Response.Conten tType = "applicatio n/vnd.ms-excel"
HttpContext.Cur rent.Response.W riteFile(file.F ullName)
Case ".pdf"
Response.Conten tType = "x-application/pdf"
HttpContext.Cur rent.Response.W riteFile(file.F ullName)
Case Else
Response.Conten tType = "applicatio n/octet-stream"
HttpContext.Cur rent.Response.W riteFile(file.F ullName)
End Select
Response.End()
Catch ex As Exception
Label1.Text = "Path: " & path2 & " Message: " & ex.Message
End Try
End Sub