Microsoft Windows Error Code 0x000000DE: How to Fix It
Medium 1-3 hours High Severity
Verified June 2026
- Error Code
- 0x000000DE
- Brand
- Microsoft Windows
- Product Type
- operating_system
- Severity
- High
- DIY Difficulty
- Medium
- Estimated Fix Time
- 1-3 hours
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Tools You'll Need
- Administrative access to computer
- Internet connection
- External backup drive (recommended)
How to Fix Error Code 0x000000DE
-
Restart Your Computer and Boot in Safe Mode
Save any open work before restarting as you may lose unsaved data. -
Update All Device Drivers
-
Run Windows Memory Diagnostic
This test requires a restart and may take 20-30 minutes to complete. -
Run System File Checker (SFC) and DISM
-
Check Event Viewer for Specific Driver Information
-
Uninstall Recently Installed Software or Drivers
Create a system restore point before uninstalling drivers in case you need to roll back changes. -
Test Hard Drive Health
The disk check may take several hours depending on drive size and will require a restart. -
Reset Windows 10/11 (Keep Files Option)
Back up important data before proceeding. This process will remove installed programs but keep personal files.
Parts You May Need
RAM memory modules
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SATA or NVMe SSD
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External USB drive
Check Price on Amazon
RAM memory modules
Check Price on Amazon
SATA or NVMe SSD
Check Price on Amazon
External USB drive
Check Price on Amazon
RAM memory modules
Check Price on Amazon
SATA or NVMe SSD
Check Price on Amazon
External USB drive
Check Price on Amazon
RAM memory modules
Check Price on Amazon
SATA or NVMe SSD
Check Price on Amazon
External USB drive
Check Price on Amazon
RAM memory modules
Check Price on Amazon
SATA or NVMe SSD
Check Price on Amazon
External USB drive
Check Price on Amazon
RAM memory modules
Check Price on Amazon
SATA or NVMe SSD
Check Price on Amazon
External USB drive
Check Price on Amazon
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When to Call a Professional
Contact a computer technician if the error persists after trying all steps, if you're uncomfortable working with system files, or if the memory diagnostic test reveals hardware failures. Professional diagnosis may be needed if multiple hardware components are failing simultaneously.Frequently Asked Questions
What causes Windows error code 0x000000DE?
Error 0x000000DE is caused by drivers corrupting pool memory in the file system area. Common causes include outdated graphics drivers, faulty RAM, corrupted system files, or incompatible software that interferes with memory management.
Can I fix error 0x000000DE without losing my files?
Yes, most troubleshooting steps preserve your files. Running SFC scans, updating drivers, and using Safe Mode won't delete personal data. Even the Windows Reset option has a 'Keep my files' choice that preserves documents while fixing system corruption.
Is error 0x000000DE related to hardware failure?
It can be. While often caused by driver issues, this error may indicate failing RAM, a deteriorating hard drive, or motherboard problems. Running memory diagnostics and disk health checks helps identify if hardware replacement is needed.
How do I prevent error 0x000000DE from happening again?
Keep Windows and drivers updated through Windows Update and manufacturer websites. Avoid installing questionable software, run regular disk cleanup and defragmentation, and monitor system temperatures to prevent hardware stress that can lead to memory corruption.
Should I be worried about data loss with error 0x000000DE?
Yes, this error can potentially cause data corruption since it affects file system memory areas. Back up important files immediately when you can boot successfully. The error may worsen over time if underlying hardware or driver issues aren't resolved.