Microsoft Windows Error Code 0xC0000037: How to Fix It

Medium 30-60 minutes Medium Severity Verified June 2026
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Error Code
0xC0000037
Brand
Microsoft Windows
Product Type
operating_system
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Error code 0xC0000037 (STATUS_PORT_DISCONNECTED) indicates that a Local Procedure Call (LPC) port used for inter-process communication has been unexpectedly disconnected. This can cause programs to crash or fail to start. The error is often linked to corrupted system files, outdated drivers, or problematic software.
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How to Fix Error Code 0xC0000037

  1. Restart Your Computer

  2. Run System File Checker (SFC)

  3. Run DISM Tool

  4. Update Device Drivers

  5. Perform a Clean Boot

  6. Check for Windows Updates

  7. Run a Malware Scan

  8. Repair Corrupted System Registry

    Back up your important data before performing a system restore, as it may affect installed applications.
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When to Call a Professional

If the error persists after all steps, consider contacting Microsoft Support or a professional technician. There may be deep system corruption or hardware issues (e.g., failing RAM or hard drive) that require advanced diagnostics.

Frequently Asked Questions

What causes error 0xC0000037 in Windows?
This error typically occurs due to corrupted system files, outdated or faulty device drivers, malware, or problems with Windows services. It indicates that a communication port used by programs has been unexpectedly disconnected.
Can error 0xC0000037 damage my computer?
No, the error itself won't cause hardware damage. However, it can cause programs to crash or become unresponsive. Fixing it prevents potential data loss from unsaved work.
Do I need to reinstall Windows to fix error 0xC0000037?
Reinstalling Windows is a last resort. Most cases are resolved with the steps above, such as SFC, DISM, driver updates, or clean boot. Try those first before considering a reinstall.
Is error 0xC0000037 related to a specific program?
It can appear with any program that relies on LPC ports. Common culprits include antivirus software, system utilities, or outdated drivers. A clean boot helps identify the specific software causing the error.
How long does it take to fix error 0xC0000037?
Most fixes take 30-60 minutes. Running SFC and DISM scans can take longer depending on your system speed. If you need to perform a clean boot or system restore, allocate additional time.

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