diff --git a/src/main.js b/src/main.js
index a92d2cc..52a46f2 100755
--- a/src/main.js
+++ b/src/main.js
@@ -1,3 +1,7 @@
+// Check when version 6 is uploaded
+// Only in case all host have version 5
+// Delete code with comment REMOVE!
+
 var Conf = {
 	appName: 'Verdnatura',
 	odbcPath: 'HKCU\\SOFTWARE\\ODBC\\ODBC.INI\\',
@@ -94,12 +98,22 @@ var App = {
 			this.regWrite(path + 'Security', 'Level', 1);
 			
 			// Creates the MySQL ODBC connection
-			this.createODBC(Conf.odbcPath, defaultDsName, Conf.odbcDriver);
+			this.createODBC(Conf.odbcPath,
+				defaultDsName,
+				Conf.odbcDriver,
+				Conf.defaultDatasource
+			);
 
 			this.regWrite(Conf.regPath, 'remoteURL', Conf.defaultRemoteURL);
 			this.regWrite(Conf.regPath, 'lastExecutedVersion', Conf.version);
 
-			// Delete old strings values (REMOVE IN VERSION 6)
+			// REMOVE!
+			this.createODBC(Conf.odbcPath,
+				'verdnatura',
+				Conf.odbcDriver,
+				'keep for backward compatibility'
+			);
+			// -----
 			this.regDelete(Conf.regPath +'\\configured');
 			this.regDelete(Conf.regPath + '\\remember');
 			this.regDelete(Conf.odbcPath +'verdnatura\\');
@@ -144,12 +158,12 @@ var App = {
 				selectDatarouce.options.add(option[y])
 			}
 		}
-		// In case old general odbc (REMOVE IN VERSION 6)
+		// REMOVE!
 		if (this.dsName == 'verdnatura') {
 			this.dsName = Conf.defaultDatasource;
 			this.$('datasource').value = this.dsName + Conf.identifier;
 			this.$('datasource').text = this.dsName;
-		} else
+		} else // -----
 			this.$('datasource').value = this.dsName;
 
 		if (notSignOut && password) {
@@ -174,11 +188,11 @@ var App = {
 		this.$('user').focus();
 		this.$('user').select();
 	},
-	createODBC: function(path, dsName, driverName) {
+	createODBC: function(path, dsName, driverName, description) {
 		var driverPath = this.getEnv('ProgramFiles') + Conf.driverPath;
 		var params = {
 			Driver: driverPath,
-			DESCRIPTION: Conf.defaultDatasource,
+			DESCRIPTION: description,
 			SERVER: Conf.defaultServer,
 			DATABASE: Conf.dbName,
 			SSLCA: this.certFile,