> For the complete documentation index, see [llms.txt](https://docs.devolutions.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.devolutions.net/unigetui/help/troubleshooting/antivirus-flags-unigetui.md).

# My antivirus flags UniGetUI

Check that your copy of UniGetUI is genuine, then allow it in your security software and report the false positive.

Your antivirus, Microsoft Defender SmartScreen or your browser blocks the UniGetUI installer, quarantines a UniGetUI file, or reports it as a threat.

## Why it happens

UniGetUI starts command-line tools, downloads installers, runs them, and can ask for administrator rights. Security products sometimes find that suspicious, especially for a new version that few people have downloaded yet. With an official copy, it's almost always a false positive.

{% hint style="danger" %}
Some websites imitate UniGetUI and distribute modified files. A detection on a file from one of them can be a real threat. Never allow a file before you've confirmed where it comes from.
{% endhint %}

## Fix it

1. **Check where the file comes from.** Official sources are:

   * [devolutions.net/unigetui](https://devolutions.net/unigetui/)
   * [GitHub releases](https://github.com/Devolutions/UniGetUI/releases)
   * The Microsoft Store
   * WinGet (`winget install Devolutions.UniGetUI`), Scoop or Chocolatey

   From anywhere else? Delete the file and download UniGetUI again from one of these.
2. **Check the signature** (Windows). Right-click the installer, select ***Properties***, open the ***Digital Signatures*** tab, and check that it's signed by Devolutions.
3. **Allow it.** Restore the quarantined file, or add an exclusion for the UniGetUI installation folder, following your security product's documentation.
4. **Report the false positive** to your antivirus vendor, so the detection is fixed for everyone.

{% hint style="info" %}
If the antivirus flags an **app you installed with UniGetUI**, that's a different case. The app comes from its publisher through the package manager, not from UniGetUI. Check its publisher and source before allowing it. See [Where packages come from and what to trust](/unigetui/guides/understand/trust-and-security.md).
{% endhint %}

## Still flagged?

If an official, signed copy keeps getting flagged, contact Devolutions support or open an issue on the [UniGetUI GitHub repository](https://github.com/Devolutions/UniGetUI/issues). Include the name of the antivirus and the exact detection name.


---

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