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

**Summary:** _summary pending_
- Kind: Major incident · Label: major (vendor)
- Changed: 2026-04-28 14:29 UTC · Detected: 2026-10-19 17:03 UTC
- [Source: https://stspg.io/yz8h9g3lc108](https://stspg.io/yz8h9g3lc108)
- [Company: ngrok](https://rewindex.com/company/ngrok.md)
- Versions: before (none: first archived) → after incident\_version:670/jkt78k7ht1bl@459fa3164e6d
- Change 1 of 1 for this incident

Incident page (full timeline): [Users who install ngrok via the Microsoft Store encounter a fatal panic immediately on starting an endpoint.](https://rewindex.com/company/ngrok/incidents/jkt78k7ht1bl.md)
## What changed

**1. Added: Title**

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

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-04-28 14:29 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-04-28 16:28 UTC
```

**6. Added: Affected components**

```diff
+ ngrok Agent and Libraries
```

**7. Added: Update** (investigating) · 2026-04-28 14:29 UTC

```diff
+ 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.
```

**8. Added: Update** (identified) · 2026-04-28 14:30 UTC

```diff
+ The issue has been identified and the engineering team is working on the fix.
```

**9. Added: Update** (identified) · 2026-04-28 14:44 UTC

```diff
+ We expect a new version of the agent that resolves this issue to be available within the next hour.
```

**10. Added: Update** (monitoring) · 2026-04-28 15:24 UTC

```diff
+ 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.
```

**11. Added: Update** (resolved) · 2026-04-28 16:28 UTC

```diff
+ Agent version 3.39.1 is now available in the Microsoft Store.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-04-28 14:29 UTC | Major incident: Users who install ngrok via the Microsoft Store encounter a fatal panic immediately on starting an endpoint. (this change) | major |

All ngrok changes: [timeline](https://rewindex.com/company/ngrok/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


---
Canonical: https://rewindex.com/change/i34eb22705bd1da · Markdown: https://rewindex.com/change/i34eb22705bd1da.md · JSON: https://rewindex.com/api/v1/changes/i34eb22705bd1da · Generated 2026-10-20T00:00:39.256Z