---
title: "App Window Warning Icon | Free Download PNG & SVG | Ultimate Bold"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/app-window-warning--7619
canonical_url: "https://www.streamlinehq.com/icons/download/app-window-warning--7619"
summary: "Sharp solid icon of an app window with three dots and a warning triangle. Used for app errors and alerts."
---

# App Window Warning icon

The App Window Warning icon shows a rounded app window with three top dots and an overlapping warning triangle containing an exclamation mark. Drawn in the solid style on a 24px grid for strong, clear shapes that remain legible on dark backgrounds. Use it for application errors, warnings, failed states, system alerts, and troubleshooting screens. It belongs to Ultimate Bold set in the Ultimate family.

## Preview

![Sharp solid icon of an app window with three dots and a warning triangle. Used for app errors and alerts.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/apps-window/app-window-warning-fa71c.png?_a=DATAiZkSZAA0)

## Details

- **Name**: App Window Warning
- **Type**: Icon
- **Set**: [Ultimate Bold](/icons/streamline-bold.md) — Bold style features strong, solid shapes for instant recognition. It gives excellent legibility on dark backgrounds.
- **Family**: [Ultimate](/icons/ultimate-sets.md) — The encyclopedia of icons
- **Style**: Solid, Filled, Bold, Glyph
- **Category**: Programming Apps Websites › Apps Window
- **Default size**: 24px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: warning, alert, app, window, error, caution, modal, notification, overlay, security

## Download

- [Download App Window Warning on Streamline](https://www.streamlinehq.com/icons/download/app-window-warning--7619)

## Also available in other styles

- [App Window Warning — Ultimate Colors](/icons/download/app-window-warning--19679.md) (Pro)
- [App Window Warning — Ultimate Duotone](/icons/download/app-window-warning--15853.md) (Pro)
- [App Window Warning — Ultimate Light](/icons/download/app-window-warning--8350.md) (Pro)
- [App Window Warning — Ultimate Regular](/icons/download/app-window-warning--9081.md) (Pro)

---

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