Major incident

ngrok: Users who install ngrok via the Microsoft Store encounter a fatal panic immediately on starting an endpoint.

Affected: ngrok Agent and Libraries

Current status of ngrok: Operational — live ngrok status

Timeline

1. Apr 28, 2026, 14:29 UTC
   investigating
   Users who have installed the ngrok agent via the Microsoft Store on Windows are seeing fatal panics on endpoint startup on the most recent agent version. Non Windows users and Windows users installing via other channels should not be impacted.
2. Apr 28, 2026, 14:30 UTC
   identified
   The issue has been identified and the engineering team is working on the fix.
3. Apr 28, 2026, 14:44 UTC
   identified
   We expect a new version of the agent that resolves this issue to be available within the next hour.
4. Apr 28, 2026, 15:24 UTC
   monitoring
   Agent version 3.39.1 has been released to all channels. Once approved by Microsoft, the new build will be available via the Microsoft Store.
5. Apr 28, 2026, 16:28 UTC
   resolved
   Agent version 3.39.1 is now available in the Microsoft Store.

Updates as published by ngrok (original).