refs #4974 Solved bug app open error

src/main.js

@@ -405,6 +405,7 @@ var App = {
 		);
 	},
 	onVersionRequest: function(err, res) {
+		try {
 			if (err)
 				throw new Error ('Version could not be retrieved: '+ err.message +': ');
 
@@ -418,6 +419,7 @@ var App = {
 					throw new Error(_('Application it\'s already open'));
 			}
 
+
 			// Checks if MDB exists
 			if (!this.fso.fileExists(this.mdbFile))
 				lastVersion = res.version;
@@ -457,6 +459,10 @@ var App = {
 				request.send();
 			} else
 				App.openMdb();
+			}
+		catch (err) {
+			this.catchError(err);
+		}
 	},
 	mdbGetValue: function(query, field, parseFn) {
 		var value;