Running The Legend of Zelda: Ocarina of Time, no mods are enabled. Reproducible in Windows 10 and Linux. Offline mode works fine. The last few lines of the output:
[2020-05-16T02:21:16.496] [INFO] Core - Loading rom: /home/ethan/bin/modloader64-gui-1.1.28/ModLoader/roms/Legend of Zelda, The - Ocarina of Time (USA).n64.
[2020-05-16T02:21:16.625] [INFO] Core - Parsing rom header...
[2020-05-16T02:21:16.625] [INFO] Core - Auto-selected core: OcarinaofTime
[2020-05-16T02:21:16.728] [INFO] OcarinaofTime - OOT VERSION: N0.
[2020-05-16T02:21:16.728] [INFO] NetworkEngine.Client - Starting up NetworkEngine.Client...
Running The Legend of Zelda: Ocarina of Time, no mods are enabled. Reproducible in Windows 10 and Linux. Offline mode works fine. The last few lines of the output: