Windows & BSOD · high

How to fixMEM-LEAK-SYS

System memory leak detected

What this error means

This high-severity issue affects the Windows operating system. A critical system process is consuming available memory indefinitely. The usual suspects are faulty driver (Non-paged pool leak) and buggy background service. Work through the steps below in order.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 2 complete
01Identify leaky driver using Poolmon

Identify leaky driver using Poolmon.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Update system drivers

Update system drivers.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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Possible causes

  • Faulty driver (Non-paged pool leak)
  • Buggy background service

Useful Windows tools

These commands open Windows tools. Review any action inside the tool before applying changes.

taskmgr