Encountering Windows ERROR_174 can be frustrating, especially when you’re in the middle of important tasks. This error commonly occurs due to system conflicts, corrupted files, or configuration problems that disrupt your Windows experience. But worry not — in this detailed, easy-to-follow guide, we will walk you through every step to resolve this issue efficiently.
What is Windows ERROR_174?
Windows ERROR_174 corresponds to an I/O device error, which typically signals a problem with the communication between your operating system and a hardware device (like your hard drive or external USB device). It can manifest during file transfers, device connections, or system startups.
Why Does ERROR_174 Occur?
Understanding why this error happens helps you pinpoint the source for quicker fixes. Common causes include:
- Faulty or outdated device drivers
- Hardware connection issues (e.g., bad cables or USB ports)
- Corrupted system files or registry errors
- Malware or software conflicts
- Damaged or failing hardware
Step 1: Restart Your Computer
Before diving deep, try a simple restart. Sometimes, temporary glitches cause issues, and rebooting can clear them out.
Step 2: Check Hardware Connections
- Disconnect and Reconnect Devices: Unplug any external devices (USB drives, external hard disks) and plug them back in securely.
- Try Different Ports: Sometimes USB ports go bad; switch ports to rule this out.
- Inspect Cables for Damage: Replace any worn or broken cables.
Step 3: Run Windows Hardware and Devices Troubleshooter
Windows has a built-in tool to diagnose and fix common hardware issues.
- Press Windows + R, type
msdt.exe -id DeviceDiagnosticand hit Enter. - Follow the on-screen instructions to detect and repair problems.
Step 4: Update Device Drivers
Outdated or corrupted drivers often cause ERROR_174. Here’s how to update them:
- Press Windows + X and select Device Manager.
- Locate the device causing the error (like Disk Drives or USB Controllers).
- Right-click the device and click Update driver.
- Choose Search automatically for drivers.
- Follow prompts to install updates.
Pro Tip: You can also visit the hardware manufacturer’s website to download the latest drivers manually.
Step 5: Run System File Checker (SFC)
Corrupted system files might be triggering ERROR_174.
- Press Windows + X, select Windows Terminal (Admin) or Command Prompt (Admin).
- Type
sfc /scannowand press Enter. - Wait for the scan to complete and follow any suggestions.
Step 6: Use DISM Tool to Repair Windows Image
If SFC doesn’t fix the problem, DISM can repair deeper system corruption.
- Open Command Prompt as Administrator.
- Enter the following commands one by one:
DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth
- Wait for each command to complete before moving to the next.
Step 7: Check Disk for Errors Using CHKDSK
Since ERROR_174 relates to I/O issues, checking for disk errors helps.
- Open Command Prompt as Administrator.
- Type
chkdsk C: /f /r /x(replace C: with the affected drive letter). - Press Enter and follow prompts. You may need to restart your PC.
Step 8: Scan for Malware
Malware can disrupt device communications.
- Run a full system scan with Windows Defender or your preferred antivirus software.
- Remove any detected threats.
Step 9: Perform a Clean Boot
Software conflicts may cause this error.
- Press Windows + R, type
msconfig, and press Enter. - Under the Services tab, check Hide all Microsoft services.
- Click Disable all.
- Go to the Startup tab and click Open Task Manager.
- Disable all startup items.
- Restart the computer and see if the error persists.
If the error disappears, re-enable services one by one to find the culprit.
Step 10: Restore Windows to a Previous Point
If the error started recently:
- Search for Create a restore point in Windows Search and open it.
- Click System Restore, then choose a restore point dated before the error began.
- Follow the wizard to restore your system.
Step 11: Seek Professional Help or Consider Hardware Replacement
If you’ve tried all steps and ERROR_174 persists, it might be a sign of failing hardware.
- Consult a trusted technician for hardware diagnostics.
- Replace faulty components if necessary.
Bonus Tips to Prevent ERROR_174
- Always safely eject USB devices.
- Keep Windows and drivers up to date.
- Regularly scan your system for malware.
- Backup important data frequently.
Final Thoughts
Facing Windows ERROR_174 isn’t fun, but with the right steps, you can troubleshoot and fix it yourself. Take your time to methodically follow this guide, and most importantly, don’t hesitate to ask for help when needed. Your PC is a tool to empower your work and creativity — keep it healthy!
If this guide helped you, share it with friends or colleagues who might face the same problem!
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If you want me to help with specific parts, like explaining device manager or commands, feel free to ask!
