diff --git a/desktop/flow-typed/npm/electron_v22.0.0.js b/desktop/flow-typed/npm/electron_v22.0.0.js
--- a/desktop/flow-typed/npm/electron_v22.0.0.js
+++ b/desktop/flow-typed/npm/electron_v22.0.0.js
@@ -12,6 +12,24 @@
     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,
@@ -404,6 +422,13 @@
       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,
@@ -494,6 +519,7 @@
   declare export {
     app,
     BrowserWindow,
+    dialog,
     shell,
     Menu,
     ipcMain,
diff --git a/desktop/src/handle-squirrel-event.js b/desktop/src/handle-squirrel-event.js
--- a/desktop/src/handle-squirrel-event.js
+++ b/desktop/src/handle-squirrel-event.js
@@ -1,7 +1,8 @@
 // @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,
@@ -21,6 +22,8 @@
   };
 
   const squirrelEvent = process.argv[1];
+  app.setName('Comm');
+
   switch (squirrelEvent) {
     case '--squirrel-install':
     case '--squirrel-updated':
@@ -32,6 +35,16 @@
 
     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':