I am working on Bot framework technology, recently Microsoft announced the new version (V3) of bot. I was already developed bots using old version, now I am trying to upgrade m
Please download the file from https://ngrok.com/download
Unzip the file and use command prompt to run the below command
ngrok http -host-header=rewrite 9000
screenshot
Note :ngrok should be in running state .if your getting same 500 error while trying next time please start from step 1. For more reference .https//docs.botframework.com/en-us/tools/bot-framework-emulator/#navtitle