diff --git a/desktop/flow-typed/npm/electron_v22.0.0.js b/desktop/flow-typed/npm/electron_v22.0.0.js
index 155bcce96..3ee002716 100644
--- a/desktop/flow-typed/npm/electron_v22.0.0.js
+++ b/desktop/flow-typed/npm/electron_v22.0.0.js
@@ -1,513 +1,539 @@
 // @flow
 // flow-typed signature: f8bfa3876f1890f644b65b1ebd801ed8
 // flow-typed version: <<STUB>>/electron_v22.0.0/flow_v0.182.0
 
 declare module 'electron' {
   declare export var app: App;
   declare type App = {
     quit(): void,
     whenReady(): Promise<void>,
     hide(): void,
     show(): void,
     setName: (name: string) => void,
     setAppUserModelId: (id: string) => void,
     getVersion: () => string,
+    getPath: (name: 
+      | 'home' 
+      | 'appData'
+      | 'userData'
+      | 'sessionData'
+      | 'temp'
+      | 'exe'
+      | 'module'
+      | 'desktop'
+      | 'documents'
+      | 'downloads'
+      | 'music'
+      | 'pictures'
+      | 'videos'
+      | 'recent'
+      | 'logs'
+      | 'crashDumps'
+    ) => string,
     dock: Dock,
     isPackaged: boolean,
     name: string,
     on: <T: $Keys<AppEvents>>(
       event: T,
       listener: $ElementType<AppEvents, T>,
     ) => void,
     removeListener: <T: $Keys<AppEvents>>(
       event: T,
       listener: $ElementType<AppEvents, T>,
     ) => void,
   };
   declare type AppEvents = {
     'window-all-closed': () => void,
     'activate': (event: Event, hasVisibleWindows: boolean) => void,
     'quit': (event: Event, exitCode: number) => void,
     'render-process-gone': (
       event: Event,
       webContents: WebContents,
       details: {
         reason: string,
         exitCode: number,
       },
     ) => void,
     'child-process-gone': (
       event: Event,
       details: {
         type: string,
         reason: string,
         exitCode: number,
         serviceName?: string,
         name?: string,
       },
     ) => void,
   };
 
   declare export class BrowserWindow {
     constructor(options?: {
       +width?: number,
       +height?: number,
       +x?: number,
       +y?: number,
       +useContentSize?: boolean,
       +center?: boolean,
       +minWidth?: number,
       +minHeight?: number,
       +maxWidth?: number,
       +maxHeight?: number,
       +resizable?: boolean,
       +movable?: boolean,
       +minimizable?: boolean,
       +maximizable?: boolean,
       +closable?: boolean,
       +focusable?: boolean,
       +alwaysOnTop?: boolean,
       +fullscreen?: boolean,
       +fullscreenable?: boolean,
       +simpleFullscreen?: boolean,
       +skipTaskbar?: boolean,
       +kiosk?: boolean,
       +title?: string,
       +icon?: string,
       +show?: boolean,
       +paintWhenInitiallyHidden?: boolean,
       +frame?: boolean,
       +parent?: BrowserWindow,
       +modal?: boolean,
       +acceptFirstMouse?: boolean,
       +disableAutoHideCursor?: boolean,
       +autoHideMenuBar?: boolean,
       +enableLargerThanScreen?: boolean,
       +backgroundColor?: string,
       +hasShadow?: boolean,
       +opacity?: number,
       +darkTheme?: boolean,
       +transparent?: boolean,
       +type?: string,
       +visualEffectState?: 'followWindow' | 'active' | 'inactive',
       +titleBarStyle?:
         | 'default'
         | 'hidden'
         | 'hiddenInset'
         | 'customButtonsOnHover',
       +trafficLightPosition?: { +x: number, +y: number },
       +roundedCorners?: boolean,
       +fullscreenWindowTitle?: boolean,
       +thickFrame?: boolean,
       +vibrancy?:
         | 'appearance-based'
         | 'light'
         | 'dark'
         | 'titlebar'
         | 'selection'
         | 'menu'
         | 'popover'
         | 'sidebar'
         | 'medium-light'
         | 'ultra-dark'
         | 'header'
         | 'sheet'
         | 'window'
         | 'hud'
         | 'fullscreen-ui'
         | 'tooltip'
         | 'content'
         | 'under-window'
         | 'under-page',
       +zoomToPageWidth?: boolean,
       +tabbingIdentifier?: string,
       +webPreferences?: {
         +preload?: string,
       },
       +titleBarOverlay?:
         | { +color?: string, +symbolColor?: string, +height?: number }
         | boolean,
     }): void;
     destroy(): void;
     close(): void;
     show(): void;
     hide(): void;
     maximize(): void;
     unmaximize(): void;
     isMaximized(): boolean;
     minimize(): void;
     loadURL(
       url: string,
       options?: {
         +userAgent?: string,
         +extraHeaders?: string,
         +baseURLForDataURL?: string,
       },
     ): Promise<void>;
     loadFile(
       filePath: string,
       options?: {
         +query?: { [string]: string },
         +search?: string,
         +hash?: string,
       },
     ): Promise<void>;
     reload(): void;
     setMenu(menu: Menu | null): void;
     isDestroyed(): boolean;
     static getAllWindows(): $ReadOnlyArray<BrowserWindow>;
     webContents: WebContents;
 
     on<T: $Keys<BrowserWindowEvents>>(
       event: T,
       listener: $ElementType<BrowserWindowEvents, T>,
     ): void;
     removeListener<T: $Keys<BrowserWindowEvents>>(
       event: T,
       listener: $ElementType<BrowserWindowEvents, T>,
     ): void;
   }
 
   declare type BrowserWindowEvents = {
     close: (event: Event) => void,
     closed: () => void,
   };
 
   declare export type Event = {
     preventDefault: () => void,
   };
 
   declare export var contextBridge: ContextBridge;
   declare type ContextBridge = {
     exposeInMainWorld(apiKey: string, api: mixed): void,
   };
 
   declare export var autoUpdater: AutoUpdater;
   declare class AutoUpdater {
     setFeedURL(options: {
       +url: string,
       +headers?: { +[string]: string },
       +serverType?: 'json' | 'default',
     }): void;
     getFeedURL(): string;
     checkForUpdates(): void;
     quitAndInstall(): void;
 
     on<T: $Keys<AutoUpdaterEvents>>(
       event: T,
       listener: $ElementType<AutoUpdaterEvents, T>,
     ): void;
     removeListener<T: $Keys<AutoUpdaterEvents>>(
       event: T,
       listener: $ElementType<AutoUpdaterEvents, T>,
     ): void;
   }
 
   declare type AutoUpdaterEvents = {
     'error': Error => void,
     'checking-for-update': () => void,
     'update-available': () => void,
     'update-not-available': () => void,
     'update-downloaded': (
       event: Event,
       releaseNotes?: string,
       releaseName: string,
       releaseDate?: Date,
       updateURL?: string,
     ) => void,
   };
 
   declare class Dock {
     setBadge(text: string): void;
     getBadge(): string;
     hide(): void;
     show(): Promise<void>;
   }
 
   declare export var ipcMain: IpcMain;
   declare type IpcMain = {
     on(
       channel: string,
       listener: (event: IpcMainEvent, ...args: $ReadOnlyArray<any>) => mixed,
     ): void,
     removeListener(
       channel: string,
       listener: (...args: $ReadOnlyArray<any>) => void,
     ): void,
   };
   declare export type IpcMainEvent = {
     +processId: number,
     +frameId: number,
     returnValue: mixed,
     +sender: WebContents,
     +reply: (channel: string, ...args: $ReadOnlyArray<any>) => void,
   };
 
   declare export var ipcRenderer: IpcRenderer;
   declare type IpcRenderer = {
     on(
       channel: string,
       listener: (event: IpcRendererEvent, ...args: $ReadOnlyArray<any>) => void,
     ): void,
     removeListener(
       channel: string,
       listener: (...args: $ReadOnlyArray<any>) => void,
     ): void,
     send(channel: string, ...args: $ReadOnlyArray<mixed>): void,
     sendSync(channel: string, ...args: $ReadOnlyArray<mixed>): any,
   };
 
   declare export type MenuItemConstructorOptions = {
     click?: () => void,
     label?: string,
     submenu?: $ReadOnlyArray<MenuItemConstructorOptions>,
     type?: 'normal' | 'separator' | 'submenu' | 'checkbox' | 'radio',
     role?:
       | 'undo'
       | 'redo'
       | 'cut'
       | 'copy'
       | 'paste'
       | 'pasteAndMatchStyle'
       | 'delete'
       | 'selectAll'
       | 'reload'
       | 'forceReload'
       | 'toggleDevTools'
       | 'resetZoom'
       | 'zoomIn'
       | 'zoomOut'
       | 'toggleSpellChecker'
       | 'togglefullscreen'
       | 'window'
       | 'minimize'
       | 'close'
       | 'help'
       | 'about'
       | 'services'
       | 'hide'
       | 'hideOthers'
       | 'unhide'
       | 'quit'
       | 'showSubstitutions'
       | 'toggleSmartQuotes'
       | 'toggleSmartDashes'
       | 'toggleTextReplacement'
       | 'startSpeaking'
       | 'stopSpeaking'
       | 'zoom'
       | 'front'
       | 'appMenu'
       | 'fileMenu'
       | 'editMenu'
       | 'viewMenu'
       | 'shareMenu'
       | 'recentDocuments'
       | 'toggleTabBar'
       | 'selectNextTab'
       | 'selectPreviousTab'
       | 'mergeAllWindows'
       | 'clearRecentDocuments'
       | 'moveTabToNewWindow'
       | 'windowMenu',
   };
   declare export class Menu {
     constructor(): void;
     static setApplicationMenu(menu: Menu | null): void;
     static buildFromTemplate(
       template: $ReadOnlyArray<MenuItemConstructorOptions>,
     ): Menu;
   }
 
   declare export var pushNotifications: PushNotifications;
   declare class PushNotifications {
     registerForAPNSNotifications(): Promise<string>;
     unregisterForAPNSNotifications(): void;
 
     on<T: $Keys<PushNotificationsEvents>>(
       event: T,
       listener: $ElementType<PushNotificationsEvents, T>,
     ): void;
     removeListener<T: $Keys<PushNotificationsEvents>>(
       event: T,
       listener: $ElementType<PushNotificationsEvents, T>,
     ): void;
   }
   declare type PushNotificationsEvents = {
     'received-apns-notification': (
       event: Event,
       userInfo: {+[string]: mixed},
     ) => void,
   };
 
   declare export class Notification {
     constructor(options?: {
       +title?: string,
       +subtitle?: string,
       +body?: string,
       +silent?: boolean,
       +hasReply?: boolean,
       +timeoutType?: 'default' | 'never',
       +replyPlaceholder?: string,
       +sound?: string,
       +urgency?: 'normal' | 'critical' | 'low',
       +actions?: NotificationAction[],
       +closeButtonText?: string,
       +toastXml?: string,
       +icon?: string,
     }): void;
     static isSupported(): boolean;
     show(): void;
     close(): void;
     +title: string;
     +subtitle: string;
     +body: string;
     +replyPlaceholder: string;
     +sound: string;
     +closeButtonText: string;
     +silent: boolean;
     +hasReply: boolean;
     +urgency: 'normal' | 'critical' | 'low';
     +timeoutType: 'default' | 'never';
     +toastXml: string;
 
     on<T: $Keys<NotificationEvents>>(
       event: T,
       listener: $ElementType<NotificationEvents, T>,
     ): void;
     removeListener<T: $Keys<NotificationEvents>>(
       event: T,
       listener: $ElementType<NotificationEvents, T>,
     ): void;
   }
   declare type NotificationEvents = {
     show: (event: Event) => void,
     click: (event: Event) => void,
     close: (event: Event) => void,
     reply: (event: Event, reply: string) => void,
     action: (event: Event, index: number) => void,
     failed: (event: Event, error: string) => void,
   };
 
   declare export var shell: Shell;
   declare type Shell = {
     openExternal(
       url: string,
       options?: { +activate?: boolean, +workingDirectory?: string },
     ): Promise<void>,
   };
 
   declare export var systemPreferences: SystemPreferences;
   declare type SystemPreferences = {
     getUserDefault<Type: $Keys<UserDefaultTypes>>(
       key: string,
       type: Type,
     ): $ElementType<UserDefaultTypes, Type>,
   };
+
+  declare export var dialog: Dialog;
+  declare type Dialog = {
+    +showErrorBox: (title: string, content: string) => void;
+    ...
+  };
+
   declare export type UserDefaultTypes = {
     string: string,
     boolean: boolean,
     integer: number,
     float: number,
     double: number,
     url: string,
     array: Array<mixed>,
     dictionary: { [string]: mixed },
   };
 
   declare class WebContents {
     loadURL(
       url: string,
       options?: {
         +userAgent?: string,
         +extraHeaders?: string,
         +baseURLForDataURL?: string,
       },
     ): Promise<void>;
     loadFile(
       filePath: string,
       options?: {
         +query?: { [string]: string },
         +search?: string,
         +hash?: string,
       },
     ): Promise<void>;
     canGoBack(): boolean;
     canGoForward(): boolean;
     clearHistory(): void;
     insertCSS(css: string, options?: { +cssOrigin?: string }): Promise<string>;
     setWindowOpenHandler(
       handler: (details: {
         +url: string,
         +frameName: string,
         +features: string,
         +disposition:
           | 'default'
           | 'foreground-tab'
           | 'background-tab'
           | 'new-window'
           | 'save-to-disk'
           | 'other',
       }) =>
         | { +action: 'deny' }
         | { +action: 'allow', +outlivesOpener?: boolean },
     ): void;
     send(channel: string, ...args: $ReadOnlyArray<mixed>): void;
 
     on<T: $Keys<WebContentsEvents>>(
       event: T,
       listener: $ElementType<WebContentsEvents, T>,
     ): void;
     removeListener: <T: $Keys<WebContentsEvents>>(
       event: T,
       listener: $ElementType<WebContentsEvents, T>,
     ) => void;
     inspectSharedWorker(): void;
   }
   declare type WebContentsEvents = {
     'did-finish-load': () => void,
     'did-fail-load': (
       event: Event,
       errorCode: number,
       errorDescription: string,
       validatedURL: string,
       isMainFrame: boolean,
       frameProcessId: number,
       frameRoutingId: number,
     ) => void,
     'did-navigate-in-page': (
       event: Event,
       url: string,
       isMainFrame: boolean,
       frameProcessId: number,
       frameRoutingId: number,
     ) => void,
   };
   declare export type IpcRendererEvent = {
     sender: IpcRenderer,
     senderId: number,
     ports: $ReadOnlyArray<MessagePort>,
   };
 }
 
 declare module 'electron/main' {
   declare export {
     app,
     BrowserWindow,
+    dialog,
     shell,
     Menu,
     ipcMain,
     systemPreferences,
     autoUpdater,
     pushNotifications,
     Notification,
   } from 'electron';
 }
 
 declare module 'electron/renderer' {
   declare export {
     IpcRendererEvent,
     contextBridge,
     ipcRenderer,
   } from 'electron';
 }
diff --git a/desktop/src/handle-squirrel-event.js b/desktop/src/handle-squirrel-event.js
index 1d77655c8..c86289993 100644
--- a/desktop/src/handle-squirrel-event.js
+++ b/desktop/src/handle-squirrel-event.js
@@ -1,51 +1,64 @@
 // @flow
 
 import { spawn, execSync } from 'child_process';
-import { app } from 'electron';
+import { app, dialog } from 'electron';
+import fs from 'fs';
 import path from 'path';
 
 // Squirrel will start the app with additional flags during installing,
 // uninstalling and updating so we can for example create or delete shortcuts.
 // After handling some of these events the app will be closed. If this function
 // returns false, the app should start normally.
 export function handleSquirrelEvent(): boolean {
   if (process.argv.length === 1) {
     return false;
   }
 
   const updateExe = path.resolve(process.execPath, '..', '..', 'Update.exe');
   const commExeName = path.basename(process.execPath);
 
   const spawnUpdate = (args: string[]) => {
     return spawn(updateExe, args, { detached: true }).on('close', app.quit);
   };
 
   const squirrelEvent = process.argv[1];
+  app.setName('Comm');
+
   switch (squirrelEvent) {
     case '--squirrel-install':
     case '--squirrel-updated':
       execSync(
         path.resolve(__dirname, '../assets/windows-runtime-installer.exe'),
       );
       spawnUpdate(['--createShortcut', commExeName]);
       return true;
 
     case '--squirrel-uninstall':
       spawnUpdate(['--removeShortcut', commExeName]);
+      try {
+        fs.rmdirSync(app.getPath('userData'), { recursive: true });
+      } catch (e) {
+        dialog.showErrorBox(
+          'Failed to remove folder!',
+          `You might need to manually remove ${app.getPath(
+            'userData',
+          )} folder.`,
+        );
+      }
       return true;
 
     case '--squirrel-obsolete':
       app.quit();
       return true;
 
     case '--squirrel-firstrun':
       return false;
   }
 
   return false;
 }
 
 export function isNormalStartup(): boolean {
   const squirrelEvent = process.argv[1];
   return !squirrelEvent || squirrelEvent === '--squirrel-firstrun';
 }