| Fix | Legit Version | Cracked Version | |------|----------------|------------------| | Update to latest game patch (v1.7.0+ or 2.0+) | ✅ Automatic | ❌ Not available | | Disable Memory Integrity | ✅ Helps | ✅ Required | | Add game folder to Defender exclusions | ✅ Helps | ✅ Required | | Run as Admin + Win10 compat mode | ✅ Helps | ✅ Required | | Update GPU drivers | ✅ Required | ✅ Required | | Rename or delete UbisoftLauncher.exe in game folder | ❌ No need | ✅ Required | | Use -dx11 launch parameter | ✅ Optional | ✅ Highly Recommended | | Block outbound connections in firewall | ⚠️ Not needed | ✅ Critical (prevents license checks) |
AC Valhalla uses DX12 by default, but DX12 on Windows 11 has known VRAM leaks.
Often, the simplest fixes involve adjusting how Windows handles the game's executable file.