> Source: [sk169412](https://support.checkpoint.com/results/sk/sk169412)

# sk169412 - Full Disk Encryption Blade is stuck in "Not Running" status on Windows 7

| Property | Value |
|----------|-------|
| Solution ID | sk169412 |
| Date Created | 2020-09-18 |
| Last Modified | 2020-09-27 |
| Technical Level | Advanced |
| Products | Endpoint Security |
| Versions | Cloud, E89.X, E88.X |

## Symptoms

- * FDE Blade is stuck in "Not Running" status on Windows 7
* In `C:\ProgramData\CheckPoint\Endpoint Security\Full Disk Encryption\Dlog1.txt`, the following errors can be found:  

  DATE TIME E FDE_srv.exe:c38 Failed to verify signature on DAFCommunication.dll, no policies will be received. Will continue to retry.  

  DATE TIME E FDE_srv.exe:4a8 Failed to verify signature on DAFCommunication.dll, no policies will be received. Will continue to retry.

## Cause

The required certificate is not installed on the machine.  
The installed root certificate should be "VeriSign Universal Root Certification Authority" with thumbprint 3679CA35668772304D30A5FB873B0FA77BB70D54.

<br />

## Solution

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

---

# Agent Instructions

This content is from the Check Point Support Center (https://support.checkpoint.com), the official knowledge base for Check Point cybersecurity products.

## Navigating This Knowledge Base

- **Complete index**: [llms.txt](https://support.checkpoint.com/llms.txt)
- **All SK articles**: [SecureKnowledge Sitemap](https://support.checkpoint.com/sitemaps/secureknowledge-sitemap-index.xml)
- **SK article URL pattern**: `https://support.checkpoint.com/results/sk/{skId}`
- **Markdown responses**: AI bot User-Agents automatically receive `text/markdown` content