diff --git a/src/App.vue b/src/App.vue
index 40b6b57..649b2c5 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -117,6 +117,9 @@ window.addEventListener('pointerdown', () => {
   }
 });
 
+window.addEventListener('contextmenu', (e) => {
+  e.preventDefault();
+});
 
 const isPortrait = ref(window.innerHeight > window.innerWidth);
 
diff --git a/src/ani-comp/utils.ts b/src/ani-comp/utils.ts
index d31d2ce..9b3c6d8 100644
--- a/src/ani-comp/utils.ts
+++ b/src/ani-comp/utils.ts
@@ -8,7 +8,8 @@ export async function loadFromResSmartly({ url, rules, onprogress }: {
     onprogress?: (progress: { download: number, decode: number }) => void
 }): Promise<CanvasImageSource[]> {
     const isChromium = navigator.userAgent.includes('Chrome') || navigator.userAgent.includes('Chromium');
-    const useWebCodec = isChromium && 'VideoDecoder' in window;
+    const isWindows = navigator.userAgent.includes('Windows');
+    const useWebCodec = isChromium && 'VideoDecoder' in window && !isWindows;
 
     const finalType =
         useWebCodec && url.video ? 'video' :
diff --git a/src/assets/old/main.mp4 b/src/assets/old/main.mp4
deleted file mode 100644
index 6f2b6e6..0000000
Binary files a/src/assets/old/main.mp4 and /dev/null differ
diff --git a/src/assets/old/main.zip b/src/assets/old/main.zip
deleted file mode 100644
index 6851002..0000000
Binary files a/src/assets/old/main.zip and /dev/null differ