# Some antivirus products are blocking retool.app

- Provider: [Retool](https://down.guide/providers/retool)
- Confidence: Confirmed
- Impact: Partial outage
- ongoing for 1d 4h
- started 2026-11-09 21:30 UTC
- New app builder
- id: DWN-f4d7b4f7fe
- Official page: https://stspg.io/z980ycfqmt9s

## Updates from Retool
### 2026-11-09 21:30 UTC: investigating
Some customers report that Norton, AVG, and other safe browsing vendors are flagging retool.app as dangerous and blocking it. Affected users may see a “dangerous webpage” warning or be unable to load published Retool apps or the app builder preview.
Retool services are operating normally. We believe the block comes from how these products classify the domain.
We are submitting reclassification requests to each vendor and following up with them. If your IT team manages these products, they may be able to add an exception for \*.retool.app.

### 2026-11-10 01:55 UTC: identified
We've submitted requests to have the retool.app domain properly classified on all Gen Digital products (Norton, AVG, and Avast) and are waiting for confirmation that it has been removed from the blocklist.

### 2026-11-10 18:19 UTC: identified
We have submitted reclassification requests to the affected vendors, and warnings are clearing for some users of Norton, AVG and Avast. We are now working with the remaining security vendors and threat list providers that still flag retool.app.
Because published React-based apps and the app builder preview built with the React-based app builder are served from retool.app, affected users may see those apps or the preview fail to load, often with a connection timeout and no warning page. Some VPNs, routers and company web filters can also block the domain. Apps built with the classic editor and the Retool editor itself are not affected.
Retool services are operating normally. If your IT team manages these products, they may be able to add an exception for \*.retool.app. We will post another update as vendors confirm.

From the builder: does your app depend on Retool? [Sazabi](https://www.sazabi.com/?utm_source=down-guide&utm_medium=markdown&utm_content=retool) detects problems in your own logs without hand-written monitors, and you can ask it in plain language which errors mention Retool.

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