diff --git a/desktop-app/js/controllers.js b/desktop-app/js/controllers.js
index 7866c81..d6f87fb 100644
--- a/desktop-app/js/controllers.js
+++ b/desktop-app/js/controllers.js
@@ -53,11 +53,6 @@ angular.module( "os-updater.controllers", [] ).controller( "HomeCtrl", function(
 
 		// Execute the AVRDUDE command and parse the reply
 		exec( command, { timeout: 3000 }, function( err, stdout, stderr ) {
-			if ( err ) {
-				callback();
-				return;
-			}
-
 			stdout = stdout || stderr;
 
 			var matches = stdout.match( filter ),
@@ -137,10 +132,6 @@ angular.module( "os-updater.controllers", [] ).controller( "HomeCtrl", function(
 				// The first command will list all Call-Up serial ports
 				ports: function( callback ) {
 					exec( "ls /dev/cu.*", { timeout: 1000 }, function( err, stdout ) {
-						if ( err ) {
-							callback( err );
-							return;
-						}
 
 						// Return the list delimited by line return
 						callback( null, stdout.split( "\n" ) );
@@ -150,21 +141,12 @@ angular.module( "os-updater.controllers", [] ).controller( "HomeCtrl", function(
 				// The second command requests the USB informatin from system_profiler (command in bash script)
 				devices: function( callback ) {
 					exec( "avr/serial.osx.sh", { timeout: 1000 }, function( err, stdout ) {
-						if ( err ) {
-							callback( err );
-							return;
-						}
 
 						// Return the list delimited by line return
 						callback( null, stdout.split( "\n" ) );
 					} );
 				}
 			}, function( err, data ) {
-				if ( err ) {
-					cleanUp();
-					return;
-				}
-
 				parseDevices( data.devices, data.ports );
 			} );
 		} else if ( platform === "linux" ) {
@@ -172,11 +154,7 @@ angular.module( "os-updater.controllers", [] ).controller( "HomeCtrl", function(
 			// Handle serial port scan for Linux platform by running shell script
 			// which parses the /sys/bus/usb/devices path for connected devices
 			exec( "./avr/serial.linux.sh", { timeout: 1000 }, function( err, stdout ) {
-				if ( err ) {
-					cleanUp();
-				} else {
-					parseDevices( stdout.split( "\n" ), null );
-				}
+				parseDevices( stdout.split( "\n" ), null );
 			} );
 		} else if ( platform === "win" ) {
 			var wmic = spawn( "wmic", [] ),
@@ -234,11 +212,6 @@ angular.module( "os-updater.controllers", [] ).controller( "HomeCtrl", function(
 
 						// Execute the AVRDUDE update process and process the result
 						exec( command, function( err, stdout, stderr ) {
-							if ( err ) {
-								callback( err );
-								return;
-							}
-
 							stdout = stdout || stderr;
 
 							// At the end of the AVRDUDE command, the flash memory is verified and if successful a message indicating so is displayed
@@ -260,7 +233,7 @@ angular.module( "os-updater.controllers", [] ).controller( "HomeCtrl", function(
 				}, function( err, results ) {
 
 					// Process results once the download and update process has completed. If the status was successful indicate so to the user.
-					if ( !err && results.status ) {
+					if ( results.status ) {
 						$scope.button.text = "OpenSprinkler " + type + " is rebooting...";
 						$scope.$apply();