More info:
System.Runtime.InteropServices.COMException (0x80004005): Could not find installable ISAM.
at ADODB.ConnectionClass.Open(String ConnectionString, String UserID, String Password, Int32 Options)
at SchemaExplorer.ADOXSchemaProvider.GetCatalog(String connectionString)
at SchemaExplorer.ADOXSchemaProvider.GetTables(String connectionString, DatabaseSchema database)
at SchemaExplorer.DatabaseSchema.get_Tables()
at SchemaExplorer.Design.TableSchemaPickerUI.PopulateTablesListBox()
Why is it looking for an ISAM driver?
So as a rule you can recognize genuinely smart people by their ability to say things like "I don't know," "Maybe you're right," and "I don't understand x well enough."