Getting Run-time error 35764 when inet1.cancel in VB6

Private m_GettingFileSize     As Boolean
Private m_DownloadingFile     As Boolean
Private m_Cancel              As Boolean
Private m_DownloadingFileSize As Long
Private m_LocalSaveFile       As String
Private m_FileSize As String
Private FirstResponse As Boolean
Dim ff As Integer
Dim exe As String
Dim filesize As String 
Private Sub cmdCancel_Click()
    'On Error Resume Next
    Inet1.Cancel
    Unload Me
End Sub 
Private Sub Form_Load() 
    filesize = 4947968  'Okay this is how i do it, make filesize a number,
                        'compile your program and upload it. Then see how big it is on the ftp.
                        'Type the number in the filesize re-compile and upload.
                        'Then it will have the correct filesize.
    'filesize = 40000
    If App.PrevInstance Then
        End
    End If
      
    Dim RemoteFileToGet As String
    'Name of the updated exe
    m_Cancel = False
    RemoteFileToGet = "http://www.lindaspaces.com/downloads/lindamanual.pdf" 'THIS IS THE DOWNLOAD
    FirstResponse = False
    m_FileSize = GetHTTPFileSize(RemoteFileToGet)
    Lststat.AddItem "Establishing file size & location..."
    LblStatus.Caption = "0/" & Int(m_FileSize) \ 1024 ' \/
    ProgressBar1.Min = 0
    ProgressBar1.Max = filesize
    If Int(m_FileSize) \ 1024 <> filesize Then  'shows in kb instead of other stuff
        MsgBox Int(m_FileSize) \ 1024 & "Download size " & filesize & " Your size"
        m_LocalSaveFile = App.Path & "\test.pdf"
        Inet1.Execute RemoteFileToGet, "GET " & Chr(34) & m_LocalSaveFile & Chr(34)
    Else
      MsgBox "Your exe is updated as can be :) "
      Lststat.AddItem "Done."
      LblStatus.Caption = "0/0"
    End If
End Sub
  
Private Function GetHTTPFileSize(strHTTPFile As String) As Long
      On Error GoTo ErrorHandler
          Dim GetValue As String
          Dim GetSize  As Long
          
          m_GettingFileSize = True
          Inet1.Execute strHTTPFile, "HEAD " & Chr(34) & strHTTPFile & Chr(34)
          
          'Do Until Inet1.StillExecuting = False
          '    DoEvents
          'Loop
          'Modified to meet MSDN notice http://support.microsoft.com/kb/182152
          Do While Inet1.StillExecuting
              DoEvents
          Loop
                    
          GetValue = Inet1.GetHeader("Content-length")
  
          'Do Until Inet1.StillExecuting = False
          '    DoEvents
          'Loop
          'Modified to meet MSDN notice http://support.microsoft.com/kb/182152
          Do While Inet1.StillExecuting
              DoEvents
          Loop
          
          If IsNumeric(GetValue) = True Then
              GetSize = CLng(GetValue)
          Else
              GetSize = -1
          End If
          
          If GetSize <= 0 Then GetSize = -1
          
          m_GettingFileSize = False
          GetHTTPFileSize = GetSize
      Exit Function
ErrorHandler:
          m_GettingFileSize = False
          GetHTTPFileSize = -1
         ' MsgBox err.Number & err.Description
End Function
      
Private Sub Inet1_StateChanged(ByVal State As Integer)
    Dim vtData()  As Byte
    Dim FreeNr    As Integer
    Dim SizeDone  As Long
    Dim bDone     As Boolean
    Dim GetPerc   As Integer
      
    If m_Cancel = True Then
        bDone = True
        Inet1.Cancel
        Exit Sub
    End If
    
    Select Case State
        Case icNone
            Lststat.AddItem "Trying to find file..."
        Case ichostresolvinghost
            Lststat.AddItem "Trying to find file..."
        Case icHostResolved
            Lststat.AddItem "File found"
        Case icConnecting
            Lststat.AddItem "Asking for approval..."
        Case icConnected
            Lststat.AddItem "Accepted"
        Case icRequesting
            Lststat.AddItem "Requesting file..."
        Case icRequestSent
            Lststat.AddItem "Request sent"
        Case icReceivingResponse
            If FirstResponse = False Then
                Lststat.AddItem "Receiving response..."
                FirstResponse = True
            End If
        Case icResponseReceived
            If FirstResponse = False Then
                Lststat.AddItem "Response received"
                FirstResponse = True
            End If
        Case icDisconnecting
            Lststat.AddItem "Disconnecting..."
        Case icDisconnected
              Lststat.AddItem "Disconnected"
              'Inet1.Cancel
        Case icError
              Lststat.AddItem "Error downloading file"
              Call cmdCancel_Click
        Case icResponseCompleted
            If m_GettingFileSize = True Or m_Cancel = True Then
                bDone = True
                Exit Sub
            End If
            FreeNr = FreeFile
            Open App.Path & "\test.pdf" For Binary Access Write As FreeNr
          'this shows the status in real time
          'kinda fancy
            Do While Not bDone 'Inet1.StillExecuting
                vtData = Inet1.GetChunk(1024, icByteArray) ' Get next chunk.
                SizeDone = SizeDone + UBound(vtData)
                LblStatus.Caption = SizeDone \ 1024 & "kb" & "/" & m_FileSize \ 1024 & "kb" 'lets it be shown in kb instead of bytes
                ProgressBar1.Value = SizeDone
                GetPerc = (SizeDone / m_FileSize) * 100
                If GetPerc > 100 Then GetPerc = 100
                If GetPerc < 0 Then GetPerc = 0
                Me.Caption = "AutoUpdater - " & GetPerc & "%"
                Put #FreeNr, , vtData()
                                
                If UBound(vtData) = -1 Then
                'If Len(vtData) = 0 Then
                    'Debug.Print vtData
                    bDone = True  '
                Else
                    DoEvents      'Yield to other processes
                End If
                'DoEvents
            Loop
            Close FreeNr
      End Select
      Lststat.ListIndex = Lststat.ListCount - 1
      If GetPerc = 100 Then
        Call cmdCancel_Click
      End If
      '    If Len(err.Description) & Len(err.Source) = 0 Then
          'Print vbNullString
         ' Else
          'Box err.Description & " Source : " & err.Source
          ' End If
End Sub
                                  

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