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How to Fix ERROR_373 in Windows: Step-by-Step Troubleshooting Guide


Encountering the dreaded ERROR_373 on your Windows PC can be frustrating, especially when you’re unsure what caused it or how to resolve it. Whether it’s interrupting your workflow or causing system instability, don’t worry—this detailed guide will walk you through every step to help you fix ERROR_373 effectively.


What is ERROR_373 in Windows?

ERROR_373 is a system error that typically relates to conflicts within system processes or hardware compatibility issues. It can manifest during startup, application launch, or while performing specific tasks, resulting in abrupt crashes or freezes.


Common Causes of ERROR_373

Before diving into the fixes, understanding possible reasons for ERROR_373 is crucial:

  • Corrupt system files or driver conflicts
  • Malware or virus infection
  • Outdated Windows updates or drivers
  • Faulty hardware components
  • Software incompatibility

Knowing the potential triggers helps you apply the right solutions effectively.


Step-by-Step Guide to Fix ERROR_373 on Windows

Step 1: Restart Your Computer

Sometimes, a simple restart can clear temporary glitches causing ERROR_373. Before anything else, save your work and reboot your system.

Step 2: Run Windows Update

Keeping Windows up-to-date ensures your system is protected and stable.

  1. Click Start > Settings (gear icon) > Update & Security.
  2. Select Windows Update from the left pane.
  3. Click Check for updates and install all available updates.
  4. Restart your PC after updating.

Step 3: Scan for Malware and Viruses

Malware often causes system errors.

  1. Open Windows Security by typing it into the Start menu.
  2. Go to Virus & threat protection.
  3. Click Quick scan or choose Full scan for a thorough check.
  4. If threats are detected, follow the prompts to remove them.

For more in-depth scanning, consider reputable third-party antivirus software.

Step 4: Run the System File Checker (SFC) and DISM Tool

Corrupted system files can trigger ERROR_373.

  1. Press Win + X and select Windows Terminal (Admin) or Command Prompt (Admin).
  2. Type the following command and press Enter:

    sfc /scannow

  3. Wait for the process to complete. It will automatically repair corrupted files if found.
  4. Next, run the Deployment Image Servicing and Management (DISM) tool by entering:

    DISM /Online /Cleanup-Image /RestoreHealth

  5. After completion, restart your PC.

Step 5: Update or Reinstall Drivers

Outdated or faulty drivers may cause ERROR_373.

  1. Right-click Start and select Device Manager.
  2. Look for devices with a yellow exclamation mark, which indicates issues.
  3. Right-click the problematic device and choose Update driver.
  4. Select Search automatically for updated driver software.
  5. If updating doesn’t work, you may uninstall the device (right-click > Uninstall device) and restart the computer to reinstall drivers automatically.

Alternatively, visit the hardware manufacturer’s website to download the latest drivers.

Step 6: Perform a Clean Boot

Conflicting third-party programs might trigger ERROR_373.

  1. Press Win + R, type msconfig, and press Enter.
  2. Go to the Services tab, check Hide all Microsoft services, then click Disable all.
  3. Switch to the Startup tab and click Open Task Manager.
  4. Disable all startup items.
  5. Close Task Manager and click OK in the System Configuration window.
  6. Restart your PC and check if ERROR_373 persists.

If fixed, slowly enable services and startup items one at a time to identify the culprit.

Step 7: Check Hardware Health

Sometimes, hardware issues like faulty RAM or hard drives cause errors.

  • RAM: Use the Windows Memory Diagnostic tool by typing it into Start and running it.
  • Hard Drive: Run Check Disk by opening Command Prompt (Admin) and typing:

    chkdsk /f /r

    You’ll be prompted to schedule the scan on the next reboot.

If hardware problems are detected, consider replacing the affected components.

Step 8: Restore Your System

If ERROR_373 started recently, a System Restore might help.

  1. Search Create a restore point in Start and open it.
  2. Click System Restore, then select a restore point before the error appeared.
  3. Follow prompts to revert your system.

Step 9: Reset or Reinstall Windows (Last Resort)

If all else fails:

  • Go to Settings > Update & Security > Recovery.
  • Choose Reset this PC and follow instructions to refresh your Windows installation.


Final Thoughts

ERROR_373 can be a complex problem, but step-by-step troubleshooting helps you regain control without panic. Always back up important files before major changes or resets. If you need extra help, don’t hesitate to contact professional support.


FAQs About ERROR_373

Q1: Is ERROR_373 harmful to my PC?
A: It can cause instability but is usually fixable with the right steps.

Q2: Can I prevent ERROR_373?
A: Regular updates, antivirus scans, and careful software installation reduce risks.

Q3: Do I need professional help for this error?
A: Most users can fix it following this guide, but hardware faults may require experts.


If this guide helped you resolve ERROR_373 or you have questions, feel free to leave your comments below. Safe troubleshooting!

Updated on June 19, 2025
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