diff --git a/app.js b/app.js
index 413ea49f3..217b44bba 100644
--- a/app.js
+++ b/app.js
@@ -255,6 +255,7 @@ app.on('ready', () => {
       enableRemoteModule: true,
       contextIsolation: false,
       spellcheck: false,
+      backgroundThrottling: false,
     },
     backgroundColor: '#00000000',
     backgroundMaterial: 'acrylic',
diff --git a/lib/webcontent-utils.ts b/lib/webcontent-utils.ts
index 924aa3fd1..96198b824 100644
--- a/lib/webcontent-utils.ts
+++ b/lib/webcontent-utils.ts
@@ -7,7 +7,7 @@ import config from './config'
 const isModernDarwin = process.platform === 'darwin' && Number(os.release().split('.')[0]) >= 17
 
 export function stopFileNavigate(id: number) {
-  webContents.fromId(id).addListener('will-navigate', (e, url) => {
+  webContents.fromId(id)?.addListener('will-navigate', (e, url) => {
     if (url.startsWith('file')) {
       e.preventDefault()
     }
@@ -17,6 +17,10 @@ export function stopFileNavigate(id: number) {
 export function stopNavigateAndHandleNewWindow(id: number) {
   const webContent = webContents.fromId(id)
 
+  if (!webContent) {
+    return
+  }
+
   webContent.addListener('will-navigate', (e, url) => {
     e.preventDefault()
     if (url.startsWith('http')) {
@@ -61,6 +65,7 @@ export function stopNavigateAndHandleNewWindow(id: number) {
       if (frameName.startsWith('plugin[kangame]')) {
         options.useContentSize = true
         _.set(options, ['webPreferences', 'webSecurity'], false)
+        _.set(options, ['webPreferences', 'backgroundThrottling '], false)
         _.set(options, ['webPreferences', 'zoomFactor'], config.get('poi.appearance.zoom'))
       }
       return {