Fix upgrades

public/electron.js

@@ -765,7 +765,7 @@ ipcMain.on(Constants.IPC_Install_Upgrade, (event, data) => {
         .executeAsync(command, args)
         .then(() => {
           cleanupFiles();
-          closeApplication();
+          standardIPCReply(event, Constants.IPC_Install_Upgrade_Reply)
         })
         .catch(error => {
           errorHandler(error);
@@ -791,7 +791,11 @@ ipcMain.on(Constants.IPC_Install_Upgrade, (event, data) => {
           errorHandler(Error('Failed to verify installation package hash'));
         });
     } else {
-      executeInstall();
+      if (platform === 'darwin') {
+        setTimeout(executeInstall, 3000);
+      } else {
+        executeInstall();
+      }
     }
   } else {
     errorHandler(Error('Unsupported upgrade: ' + data.Source));