If all else fails, remember: WhatsApp Web works flawlessly on Catalina. And if your hardware allows, upgrading your macOS is the cleanest, safest, and most future-proof solution.
👉 https://www.whatsapp.com/download
WhatsApp’s desktop app now requires macOS 11+ for native M1 support and latest encryption libraries. Catalina users are on “legacy” support. descargar whatsapp para mac catalina 10157 fixed
| Fix Method | Success Rate | Difficulty | |------------|--------------|-------------| | Fix Date & Time | 70% | Easy | | Right-click → Open | 85% (if file is fresh) | Very Easy | | Disable Gatekeeper | 95% | Medium | | Terminal ignore command | 98% | Medium | | Upgrade macOS | 100% (but time-consuming) | High | If all else fails, remember: WhatsApp Web works
This guide was updated in 2026 to reflect the latest macOS Catalina security behaviors and WhatsApp installer changes. For support, visit the official WhatsApp Help Center or Apple Communities. Catalina users are on “legacy” support
Error code 10157 on WhatsApp for Mac is frustrating. You click download, expect seamless messaging, and instead get a cryptic error message that stops you cold. For users running macOS Catalina (10.15) , this problem has become a notorious roadblock.