Emulators don't work on a school network but work at home

[ABG]

@yossi

Exception happened during processing of request from ('127.0.0.1', 53897)

Check the ports list at the Schools Setup section of the FAQ

FAQ Section: Companion and Emulator

Introductory Your First App Testing - MIT AIStarter for 64 bit Windows - MIT Sample Connect -> Companion sequence - @ABG Breaking News: 3/26/2026 Current Version, from the AI2 Help->Companion Info link: 2.78a Downloadable 2.78u link: https://ai2.appinventor.mit.edu/companions/MITAI2Companion.apk http://ai2.appinventor.mit.edu/companions/MITAI2Companion.apk Prior versions Usage Techniques Check the MIT Rendezvous server status - JIS MIT AIStarter (Connect->Emulator) Companion Update…

Letter for IT Professionals in Schools for Using App Inventor