If you still see the error, your specific Mac hardware may be struggling with the QR code generator’s WebGL or rendering engine.

The Browser Wrapper Workaround (Creating a Progressive Web App)

Newer browsers have better performance, security, and support for modern web apps.

Meta completely rebuilt the native Mac client using Catalyst technology, optimizing it for newer macOS versions (macOS 11 Big Sur and later). Because macOS 10.15.7 is no longer supported by the native app, Browser Compatibility Tips for macOS Catalina

If none of these work, the problem may be on WhatsApp’s end. Check downdetector.com for WhatsApp outages. Otherwise, restart your Mac and router—sometimes the simplest solution is the one that finally kills the 10157 error.

Click the in the top-right corner of Chrome. Hover over Save and share or More Tools .

Fortunately, you can still seamlessly use WhatsApp on your machine. This comprehensive guide covers the exact methods to link your device, alternative solutions, and troubleshooting steps for older operating systems. Method 1: The Official WhatsApp Web Solution (Recommended)

Authenticate using your phone's biometrics (Face ID, Touch ID, or passcode).

Using the ( ://whatsapp.com ) is the fastest way to bring your WhatsApp communication to your desktop. It offers a clean, efficient way to manage both personal and professional messages on a larger screen without needing to constantly check your phone.

If the browser-based keeps failing with error 10157, bypass the browser entirely. WhatsApp offers a native macOS app.

You can have all your messages, images, and documents directly on your desktop, allowing for fast typing and easy file sharing. 4. Troubleshooting: WhatsApp Web on Mac 10.15.7

: Your messages will sync automatically and appear in the browser. 2. Browser Requirements for Catalina

Still seeing the error? Proceed to the solutions below.

Because macOS 10.15.7 (Catalina) no longer supports native WhatsApp desktop applications, utilizing WhatsApp Web

The native WhatsApp desktop app available on the Mac Store requires . If you attempt to download it on macOS 10.15.7, the App Store will block the download with a compatibility error.

Firefox offers excellent legacy support and security updates for older macOS builds.