> Source: [sk178504](https://support.checkpoint.com/results/sk/sk178504)

# sk178504 - Burning data to disk using an external disk burner is unsuccessful

| Property | Value |
|----------|-------|
| Solution ID | sk178504 |
| Date Created | 2022-03-23 |
| Last Modified | 2022-04-11 |
| Technical Level | General |
| Products | Endpoint Security |
| Versions | Cloud, E89.X, E88.X |
| OS | Windows |

## Symptoms

- The external disk burner does not work when the Media Encryption blade is running.

## Cause

The KAEON driver fails to get the `%ProgramFiles(x86)%` environment variable value.

## Solution

This problem was fixed. The fix is included starting from:

* [Enterprise Endpoint Security E86.30 Windows Clients](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk178324)

If you choose not to upgrade, modify this registry key:  
`"Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\KAEON\Parameters\ISOStorage"`.  

From:  
`"%ProgramFiles(x86)%\CheckPoint\Endpoint Security\Data Loss Prevention\Profiles\ISOStorage"`  

To:  
`"C:\Program Files (x86)\CheckPoint\Endpoint Security\Data Loss Prevention\Profiles\ISOStorage"`

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