> Source: [sk162594](https://support.checkpoint.com/results/sk/sk162594)

# sk162594 - BSOD when accessing a PST mail archive from USB/SD card with Media Encryption

| Property | Value |
|----------|-------|
| Solution ID | sk162594 |
| Date Created | 2019-09-24 |
| Last Modified | 2020-08-05 |
| Technical Level | Advanced |
| Products | Endpoint Security |
| Versions | Cloud, E89.X, E88.X |
| OS | Windows |

## Symptoms

- * BSOD when accessing a PST mail archive from USB/SD card with Media Encryption installed.
* Error from the BSOD: "SYSTEM SERVICE EXCEPTION - MeDlpFlt.sys"
* "Your PC ran into a problem and needs to restart. We're just collecting some error info, and then we"ll restart for you." error message displayed.  
  ![](https://sc1.checkpoint.com/sc//SolutionsStatics/sk162594/6-0001752350_1567425059837_2019-08-05 BSOD1909240746.jpg)

## Cause

The problem was with the medlpflt.sys driver which used file operation context after it was used, this sometimes caused using of outdated data.

## 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
