Updateable query??

Er der nogle som ved vad der er galt her:

Microsoft OLE DB Provider for ODBC Drivers error '80004005'

[Microsoft][ODBC Microsoft Access Driver] Operation must use an updateable query.

/nyhedssystem/pw_opret.asp, line 51

Koden:
<%
If Request.Form("nyhed")<>"" And Request.Form("navn")<>"" And Request.Form("overskrift")<>""Then
  strNyhed = Replace(Request.Form("nyhed"), vbcrlf, "<br>")
  strNyhed = Replace(strNyhed, "'", "''")
 
  strOverskrift = Replace(Request.Form("overskrift"), vbcrlf, "<br>")
  strOverskrift = Replace(strOverskrift, "'", "''")
 
  strNavn = Replace(Request.Form("navn"), "'", "''")

  strSQL = "Insert into Nyheder ("

  strSQL = strSQL & "Nyhed, "
  strSQL = strSQL & "Overskrift, "
  strSQL = strSQL & "Dato, "
  strSQL = strSQL & "IndsatAF) "

  strSQL = strSQL & "values("

  strSQL = strSQL & "'" & strNyhed & "', "
  strSQL = strSQL & "'" & strOverskrift & "', "
  strSQL = strSQL & "'" & Request.Form("dato") & "', "
  strSQL = strSQL & "'" & strNavn & "') "

  Conn.Execute(strSQL) <---LINIE 51

Conn.Close
Set Conn = Nothing

Response.Redirect ("pw_admin.asp")

Else