| Issue | Solution | |-------|----------| | Installer doesn’t start | Temporarily disable antivirus. Run as admin. | | Activation fails | Log in with correct account. Use Activation Manager manually. | | “Missing compiler” | Install MinGW or Visual Studio separately for MEX. | | License checkout failed | Check license expiry or network license server address. |
Users often encounter "License failed" errors (e.g., error -8, 523) on Linux systems. This is usually caused by incorrect permissions on the license folder or a mismatch between the computer's MAC address and the license record. IV. Post-Installation Configuration and Optimization install matlab 2018b