improve error handling

package.json

@@ -82,6 +82,7 @@
   "dependencies": {
     "electron-is-dev": "^0.1.2",
     "electron-store": "^5.1.1",
+    "electron-unhandled": "^3.0.2",
     "execa": "^4.0.0",
     "ffmpeg-static": "^4.1.0",
     "ffprobe-static": "^3.0.0",

public/electron.js

@@ -2,6 +2,7 @@ const electron = require('electron'); // eslint-disable-line
 const isDev = require('electron-is-dev');
 const { join } = require('path');
 const os = require('os');
+const unhandled = require('electron-unhandled');
 
 const menu = require('./menu');
 const configStore = require('./configStore');
@@ -11,6 +12,11 @@ const { checkNewVersion } = require('./update-checker');
 const { app } = electron;
 const { BrowserWindow } = electron;
 
+
+unhandled({
+  showDialog: true,
+});
+
 app.name = 'LosslessCut';
 
 // Keep a global reference of the window object, if you don't, the window will