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0x0000003DINTERRUPT_EXCEPTION_NOT_HANDLEDStop codeWidely reported

INTERRUPT_EXCEPTION_NOT_HANDLED (0x0000003D): what it means and how to fix it

Updated Oct 14, 2026 · Checked against Microsoft documentation · How this page is made

Quick answer

This error occurs when the Windows kernel fails to process a system interrupt correctly, leading to a system crash. It is most often caused by faulty hardware drivers or conflicting system software. Start by checking for pending Windows updates to ensure your system files are current.

What it means

Understanding the Error

The INTERRUPT_EXCEPTION_NOT_HANDLED error, identified by the code 0x0000003D, is a signal from the Windows kernel that it encountered an issue it could not resolve while managing hardware or software interrupts. An interrupt is a signal sent to the processor by hardware or software indicating that an event needs immediate attention. When the system is unable to handle this signal properly, it stops the computer to prevent data corruption or further instability.

Why This Happens

At a technical level, Windows relies on specific instructions to manage how hardware components talk to the processor. When a driver or a piece of software sends an unexpected or malformed instruction, the kernel's exception handler is triggered. If that handler cannot figure out what to do with the request, it generates this bug check. This is essentially the computer's way of saying it has reached a state where it can no longer guarantee the integrity of your data, so it shuts down to protect itself.

Because this error is often related to how hardware communicates with the operating system, it frequently points toward issues with device drivers. These are the small programs that act as translators between your physical hardware and Windows. If a driver is outdated, corrupted, or incompatible with your current version of Windows, it can send requests that the kernel is unable to process, resulting in the blue screen you are seeing.

Common causes

  • Outdated or corrupted hardware device drivers.
  • Hardware components experiencing physical failure or instability.
  • Conflicting software or background services interfering with system processes.
  • Corrupted Windows system files.
  • Incompatible hardware recently installed or connected to the system.

How to fix it

Safest and most likely fixes first. Readers' answers to "Did this fix it?" reorder this list over time.

  1. Run Windows Update

    Use this as your first step to ensure all system components are up to date.

    1. Open the Start menu and select Settings.
    2. Navigate to Update & Security or Windows Update.
    3. Select Check for updates.
    4. Install any available updates and restart your computer if prompted.
    Did this fix it?

  2. Update hardware drivers

    Use this if the error persists after updating Windows, particularly if you recently installed new hardware.

    1. Right-click the Start button and select Device Manager.
    2. Locate devices with a yellow warning icon.
    3. Right-click the device and select Update driver.
    4. Choose Search automatically for drivers.
    Did this fix it?

  3. Run the System File Checker

    Use this if you suspect system file corruption is causing the crash.

    1. Type cmd in the Windows search bar.
    2. Right-click Command Prompt and select Run as administrator.
    3. Type sfc /scannow and press Enter.
    4. Wait for the process to complete and restart your computer.
    Did this fix it?

Is it just you?

25+ Microsoft Q&A threads discuss this. Most recent activity:

Checked Oct 11, 2026. Refreshed automatically every few days.

Sources

Frequently asked questions

Is my computer permanently damaged?

Usually not. This error is typically a software or driver conflict that can be resolved without replacing hardware.

Why does this error happen while gaming?

Gaming puts a heavy load on your graphics and audio drivers. If those drivers are unstable, they may fail to handle interrupts during intense gameplay.

Can I fix this if I cannot boot into Windows?

You may need to boot into Safe Mode to perform these fixes if the computer crashes immediately upon startup.

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