title: Unspecified error: On opening OleDbConnection
body: <ul>
  <li>Getting Unspecified error on windows XP with office 2010. </li>
  <li>issue is reproducible on some machine not all. </li>
  </ul>
  
  <p>Code</p>
  
  <pre><code>  Dim dbConn As New OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\test\data.mdb")
     try
     {
     dbConn.Open() 
     }
  </code></pre>
  
  <p>Exception</p>
  
  <pre><code>Exception:   at System.Data.OleDb.OleDbConnectionInternal..ctor(OleDbConnectionString   constr, OleDbConnection connection)
     at System.Data.OleDb.OleDbConnectionFactory.CreateConnection(DbConnectionOptions    options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject)
     at    System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection    owningConnection, DbConnectionPoolGroup poolGroup)
     at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
     at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
     at System.Data.OleDb.OleDbConnection.Open()
  </code></pre>