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Windows Error 0x0000007E — SYSTEM THREAD EXCEPTION NOT HANDLED

Criticalbsod

Overview

Windows BSOD SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (0x0000007E) occurs when a system thread generates an exception the error handler cannot catch.

Key Details

  • Stop code: 0x0000007E — often names the faulting driver
  • Common after driver updates or hardware changes
  • The crash dump usually identifies the problematic module
  • May occur during boot preventing Windows from starting

Common Causes

  • Incompatible or corrupted device driver
  • Insufficient disk space for crash dump
  • BIOS/UEFI firmware incompatibility
  • Corrupted Windows system files

Steps

  1. 1Note the driver file mentioned in the BSOD screen
  2. 2Boot into Safe Mode and uninstall/update that driver
  3. 3Run chkdsk /f /r on the system drive
  4. 4Update BIOS/UEFI to the latest version

Tags

windowsbsodsystem-thread-exception-not-handledwindows-errorfix

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windows-00000050-page-fault-in-nonpaged-areaWindows Error 0x00000050 — PAGE FAULT IN NONPAGED AREA
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windows-0000007A-kernel-data-inpage-errorWindows Error 0x0000007A — KERNEL DATA INPAGE ERROR
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windows-000000EF-critical-process-diedWindows Error 0x000000EF — CRITICAL PROCESS DIED
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windows-00000133-dpc-watchdog-violationWindows Error 0x00000133 — DPC WATCHDOG VIOLATION
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windows-00000124-whea-uncorrectable-errorWindows Error 0x00000124 — WHEA UNCORRECTABLE ERROR
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Frequently Asked Questions

A system thread hit an error that Windows could not recover from, usually due to a bad driver.