> Source: [sk183738](https://support.checkpoint.com/results/sk/sk183738)

# sk183738 - FDE install fails with Error: "FDE pre-check install error: Not enough free space on the EFI System Partition Comment: Please make 15MB of free space on the EFI System Partition."

| Property | Value |
|----------|-------|
| Solution ID | sk183738 |
| Date Created | 2025-08-05 |
| Last Modified | 2025-08-07 |
| Technical Level | Advanced |
| Products | Endpoint Security |
| Versions | E89.X, E88.X |
| OS | Windows |

## Symptoms

- * FDE install fails with Error `FDE pre-check install error: Not enough free space on the EFI System Partition Comment: Please make 15MB of free space on the EFI System Partition."`
* RSOD Stop in function `0x000000018005F788 ERR_NULL Error 0x500EF12` after installing Windows updates on an FDE machine.
* BSOD after installing Windows update on FDE machine Error Code: `0xc0000225`

## Cause

Insufficient space on the ESP partition

## 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