Microsoft Windows Error Code 0x80070014: How to Fix It

Medium 30-60 minutes Medium Severity Verified June 2026
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Error Code
0x80070014
Brand
Microsoft Windows
Product Type
hresult
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Error 0x80070014 in Windows indicates 'ERROR_BAD_UNIT', meaning the system cannot access a storage unit (like a hard drive) because the unit number is invalid or the unit is not responding. This often occurs during system updates, file transfers, or disk operations. Let's fix it.
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How to Fix Error Code 0x80070014

  1. Run Windows Update Troubleshooter

  2. Check Disk for Errors

    Back up important data before running chkdsk to prevent potential data loss.

  3. Run System File Checker

  4. Perform DISM Restore Health

    Ensure stable internet connection as DISM may download files from Windows Update.

  5. Check Drive Connections

    Unplug power cord before opening PC case to avoid electric shock.

  6. Reinstall Problematic Software

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When to Call a Professional

If none of these steps work, especially after checking disk health with manufacturer tools, your drive may be failing. Contact a professional data recovery service or replace the drive.

Frequently Asked Questions

What causes Windows error 0x80070014?
This error is caused by a corrupted system file, disk errors, or a failing storage device. It can also appear due to bad driver installations or faulty hardware connections.
Can I fix error 0x80070014 without losing data?
Yes, most fixes like running SFC or DISM do not delete personal files. However, chkdsk can fix errors that may cause data loss, so backup first.
Is error 0x80070014 a virus?
No, it is a system error, not a virus. However, malware can cause disk errors; scan your PC with Windows Defender if you suspect infection.
Does error 0x80070014 mean my hard drive is dead?
Not necessarily. It often indicates a temporary corruption or connection issue. If chkdsk finds bad sectors, the drive may be failing. Use a disk monitoring tool to check health.
How can I prevent error 0x80070014 in the future?
Regularly update Windows, avoid abrupt shutdowns, keep your hard drive clean, and periodically run chkdsk and SFC scans.

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