> For the complete documentation index, see [llms.txt](https://zsoftware-guide.gitbook.io/guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://zsoftware-guide.gitbook.io/guide/loader-loader-does-not-open-nothing-happens.md).

# \[Loader] Loader Does Not Open / Nothing Happens

If the loader isn’t opening at all when you try to run it, here are the most likely causes:

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#### 1. Antivirus Is Corrupting or Blocking the File

This is the **most common reason**. Some antivirus software (including Windows Defender) will silently **block or corrupt** the loader before it even launches.

>  Disable your antivirus completely before running the loader.

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####  2. Missing Dependencies

If required system dependencies are missing, the loader may fail to start.

> Refer to the **Overview** and **Dependencies** sections to make sure everything is installed correctly.

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####  3. Your ISP Might Be Blocking Access (Rare)

In rare cases, your internet service provider may block connections to our infrastructure.

>  Use a **VPN** if you suspect your ISP is interfering. This can restore access immediately.