Windows & BSOD · critical

How to fix0x00000109

CRITICAL_STRUCTURE_CORRUPTION

What this error means

0x00000109 is a critical-severity Windows operating system problem. The kernel has detected corruption of key system data or kernel memory structure. This usually traces back to faulty RAM (bit flipped) and android emulators with a bug (eg old BlueStacks). 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 3 complete
01Disable cheats and suspicious drivers (like HWMonitor old versions)

Disable cheats and suspicious drivers (like HWMonitor old versions).

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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02Uninstall emulators and virtual machines

Uninstall emulators and virtual machines.

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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03Perform hardware diagnostics

Perform hardware diagnostics.

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 RAM (bit flipped)
  • Memory modifying game cheats (kernel-level cheat)
  • Android emulators with a bug (eg old BlueStacks)