> Source: [sk173975](https://support.checkpoint.com/results/sk/sk173975)

# sk173975 - Issue with downloading files from Whatsapp Web in Mozilla Firefox through the Harmony Endpoint for Browser extension

| Property | Value |
|----------|-------|
| Solution ID | sk173975 |
| Date Created | 2021-06-14 |
| Last Modified | 2024-07-07 |
| Technical Level | Advanced |
| Products | Browser - Classic |
| Versions | Cloud |
| OS | Windows |
| Platform | Open Server |

## Symptoms

- * An issue with downloading files from Whatsapp Web in Mozilla Firefox through the Harmony Endpoint for Browser extension.
* "Failed to download the file. Please try again but only if you trust this site" error message is shown in the Harmony Endpoint for Browser extension.
* The file can be downloaded from the Whatsapp Web in the Firefox browser only on the second attempt. The same file is downloaded from another browser on the first attempt.

## Cause

An issue with Mozilla Firefox Ajax calls.

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## Solution

This solution requires authentication. Please log in to view the full solution.

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