diff --git a/common/views/Player/Player.svelte b/common/views/Player/Player.svelte
index 1f377c3..42ae7c5 100644
--- a/common/views/Player/Player.svelte
+++ b/common/views/Player/Player.svelte
@@ -900,9 +900,9 @@
     }
   }
 
-  function checkCompletionByTime (time, duration) {
-    const fromend = Math.max(180, duration / 10)
-    if (time && time && video?.readyState && time - fromend < time) {
+  function checkCompletionByTime (currentTime, safeduration) {
+    const fromend = Math.max(180, safeduration / 10)
+    if (safeduration && currentTime && video?.readyState && safeduration - fromend < currentTime) {
       if (media?.media?.episodes || media?.media?.nextAiringEpisode?.episode) {
         if (media.media.episodes || media.media.nextAiringEpisode?.episode > media.episode) {
           completed = true
diff --git a/electron/package.json b/electron/package.json
index b08cdbe..bad4bb9 100644
--- a/electron/package.json
+++ b/electron/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Miru",
-  "version": "5.0.2",
+  "version": "5.0.3",
   "private": true,
   "author": "ThaUnknown_ <ThaUnknown@users.noreply.github.com>",
   "description": "Stream anime torrents, real-time with no waiting for downloads.",
diff --git a/electron/src/main/main.js b/electron/src/main/main.js
index 5f8439f..a7040b5 100644
--- a/electron/src/main/main.js
+++ b/electron/src/main/main.js
@@ -49,6 +49,10 @@ function createWindow () {
   new Dialog(webtorrentWindow)
   mainWindow.setMenuBarVisibility(false)
 
+  mainWindow.webContents.setWindowOpenHandler(() => {
+    return { action: 'deny' }
+  })
+
   mainWindow.webContents.session.webRequest.onHeadersReceived(({ responseHeaders }, fn) => {
     delete responseHeaders['Access-Control-Allow-Origin']
     responseHeaders['access-control-allow-origin'] = ['*']