Look closer at your connection string and the error would be explained.

>I'm trying get a DS of some data from an Access DB using C#.
>
>

>string AccessConnString = @"Provider=Microoft.Jet.OLEDB.4.0;Data Source=C:\Projects\Sales Quote\Database\Orig\quotedb 9-27.mdb";
>OleDbConnection AccessConn = new OleDbConnection();
>AccessConn.ConnectionString = AccessConnString;
>
>try
>{
>    AccessConn.Open();
>}
>catch (Exception e)
>{
>    throw e;
>}
>
>OleDbCommand oCommand = new OleDbCommand();
>oCommand.CommandText = "select * from vendors";
>oCommand.Connection = AccessConn;
>
>OleDbDataAdapter AccessDA = new OleDbDataAdapter();
>AccessDA.SelectCommand = oCommand;
>
>DataSet dsAccess = new DataSet();
>AccessDA.Fill(dsAccess, "Vendors");
>
>

>
>This exceptions on the Open with the following: The 'Microoft.Jet.OLEDB.4.0' provider is not registered on the local machine.
>
>1) I have been doing this on this PC for weeks. Why this errors now I don't get.
>2) Notice that 'Microsoft' is mispelled.