diff --git a/public/electron.js b/public/electron.js
index c68935a..8cde87a 100644
--- a/public/electron.js
+++ b/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));
diff --git a/src/App.js b/src/App.js
index bf97832..a4c5dd4 100644
--- a/src/App.js
+++ b/src/App.js
@@ -53,6 +53,7 @@ class App extends IPCContainer {
       this.props.checkInstalled(dependencies, selectedVersion);
     } else {
       this.props.setInstalledVersion('none');
+      this.props.setAllowDownload(true);
     }
   };
 
@@ -113,7 +114,7 @@ class App extends IPCContainer {
 
   handleDownloadUpgrade = () => {
     const url = this.props.UpgradeData.urls[0];
-    const name = this.props.Platform === 'win32' ? 'upgrade.exe' : extractFileNameFromURL(url);
+    const name = this.props.Platform === 'win32' ? 'upgrade.exe' : this.props.Platform === 'darwin' ? 'upgrade.dmg' : extractFileNameFromURL(url);
     this.props.downloadItem(name, Constants.INSTALL_TYPES.Upgrade, url, this.onDownloadFileComplete);
   };
 
@@ -136,9 +137,9 @@ class App extends IPCContainer {
 
   installUpgrade = result => {
     if (result.Success) {
-      const info = this.props.LocationsLookup[this.props.AppPlatform][this.props.VersionLookup[this.props.AppPlatform][0]];
-      const sha256 = info.sha256;
-      const signature = info.sig;
+      //const info = this.props.LocationsLookup[this.props.AppPlatform][this.props.VersionLookup[this.props.AppPlatform][0]];
+      const sha256 = null;//info.sha256;
+      const signature = null;//info.sig;
       this.props.installUpgrade(result.Destination, sha256, signature, !!result.SkipVerification, this.onInstallUpgradeComplete);
     }
   };
@@ -239,7 +240,8 @@ class App extends IPCContainer {
       !this.props.DisplayError &&
       !showConfig &&
       !this.props.DownloadActive &&
-      !this.props.UpgradeDismissed;
+      !this.props.UpgradeDismissed &&
+      !this.props.InstallActive;
 
     const showDependencies = !showUpgrade &&
       missingDependencies &&
diff --git a/src/redux/actions/install_actions.js b/src/redux/actions/install_actions.js
index 4a9bc65..16c8384 100644
--- a/src/redux/actions/install_actions.js
+++ b/src/redux/actions/install_actions.js
@@ -8,6 +8,10 @@ import {
   setInstalledVersion,
   setReleaseUpgradeAvailable
 } from './release_version_actions';
+import {
+  setApplicationReady,
+  shutdownApplication
+} from './common_actions';
 
 const ipcRenderer = getIPCRenderer();
 
@@ -126,16 +130,18 @@ export const installRelease = (source, version, completedCallback) => {
 export const installUpgrade = (source, sha256, signature, skipVerification, completedCallback) => {
   return (dispatch, getState) => {
     if (ipcRenderer && !getState().install.InstallActive) {
-      dispatch(setInstallActive(Constants.INSTALL_TYPES.Dependency));
+      dispatch(setInstallActive(Constants.INSTALL_TYPES.Upgrade));
+      dispatch(setApplicationReady(false));
 
       const installUpgradeComplete = (event, arg) => {
         ipcRenderer.removeListener(Constants.IPC_Install_Upgrade_Reply, installUpgradeComplete);
-        ipcRenderer.send(Constants.IPC_Delete_File, {
-          FilePath: source,
-        });
-
-        dispatch(setInstallComplete(arg.data));
-        completedCallback(source, arg.data);
+        if (arg.data.Success) {
+          dispatch(shutdownApplication());
+        } else {
+          dispatch(setApplicationReady(true));
+          dispatch(setInstallComplete(arg.data));
+          completedCallback(source, arg.data);
+        }
       };
 
       ipcRenderer.on(Constants.IPC_Install_Upgrade_Reply, installUpgradeComplete);