# The DLPU process stops responding

**Product**: Data Loss Prevention  
**Version**: R81 (EOS), R81.10 (EOS), R81.20  
**Last Modified**: 2024-10-22

## Symptoms
- The DLPU process unexpectedly exits.
- The _/var/log/dump/usermode_ directory on the Security Gateway contains a core dump file for the DLPU process.
- The SHA256 ioc_feed indicator file or the Threat indicator file is configured.

## Cause
There is a problem with the SHA256 hash function.

## Solution
This problem was fixed. The fix is included in:
- [Jumbo Hotfix Accumulator for R81.20](https://sc1.checkpoint.com/documents/Jumbo_HFA/R81.20/Default.htm) starting from Take 79
- [Jumbo Hotfix Accumulator for R81.10](https://sc1.checkpoint.com/documents/Jumbo_HFA/R81.10/Default.htm) starting from Take 158
- [Jumbo Hotfix Accumulator for R81](https://sc1.checkpoint.com/documents/Jumbo_HFA/R81/Default.htm) starting from Take 106

If you choose not to upgrade, Check Point can supply a **Hotfix**. [Contact Check Point Support](https://www.checkpoint.com/support-services/.contact-support/) to get a Hotfix for this issue.

A Support Engineer will make sure the Hotfix is compatible with your environment before providing the Hotfix.

For faster resolution and verification, please collect [CPinfo files](http://supportcontent.checkpoint.com/solutions?id=sk92739) from the Security Management Server and Security Gateways involved in the case.

**Hotfix installation instructions:**  
Refer to [sk168597 - How to install a Hotfix](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk168597).

#### NOTE
This solution has been verified for the specific scenario, described by the combination of Product, Version and Symptoms. It may not work in other scenarios.

## Article Properties
**Access Level**: General  
**Status**: Approved by TAC  
**Date Created**: 2024-02-24  
**Last Modified**: 2024-10-22