PAGE_FAULT_IN_NONPAGED_AREA — Causes & Fix
Windows Stop code 0x00000050 (PAGE_FAULT_IN_NONPAGED_AREA) means the system referenced invalid memory that should always be present — commonly faulty RAM or a bad driver.
- Applies to
- Any Windows PC
- Time to fix
- 30 minutes – 2 hours
What it means
Causes include faulty RAM, a corrupt driver, antivirus conflicts, or occasionally disk/service issues. This is a Windows Stop error (a "bugcheck" / blue screen) documented by Microsoft. The blue screen shows this code; more detail sits in the crash dump (%SystemRoot%\Minidump), which usually names the specific driver or component at fault — a free tool like BlueScreenView or WinDbg can read it.
Symptoms
- Blue screen citing PAGE_FAULT_IN_NONPAGED_AREA
- Random crashes; more frequent under load
How to fix it
- 1
Test the RAM
1. Run MemTest86; reseat/replace faulty modules.
- 2
Update/remove the culprit
1. Update or roll back the driver named in the dump. 2. Temporarily remove third-party antivirus to test.
Frequently asked questions
Is 0x50 a memory problem?
Often — it is a classic RAM fault, so test memory first. A corrupt driver or aggressive antivirus can also trigger it.
Last updated July 20, 2026
Guidance only — always consult a qualified professional or the official service manual before carrying out repairs.