Microsoft Windows Error Code 0xC0000222: How to Fix It

Medium 30 minutes - 1 hour High Severity Verified June 2026
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Error Code
0xC0000222
Brand
Microsoft Windows
Product Type
operating_system
Severity
High
DIY Difficulty
Medium
Estimated Fix Time
30 minutes - 1 hour
Error 0xC0000222, also known as STATUS_LOST_WRITEBEHIND_DATA, indicates that Windows was unable to save data to a storage device because the device was removed or disconnected unexpectedly. This can lead to data loss or corruption. Follow the steps below to fix the error and protect your files.
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Tools You'll Need

How to Fix Error Code 0xC0000222

  1. Check for Data Corruption

    Running chkdsk on the system drive may require a restart. Ensure you have a backup of important data.

  2. Enable Write Caching on External Drives

  3. Use 'Safely Remove Hardware' Before Disconnecting

  4. Update Storage Drivers

  5. Check Disk Health with CHKDSK Alternate Method

    This process can take several hours. Do not interrupt it.

  6. Repair Windows Installation (Advanced)

    Back up your data before performing a repair installation.
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When to Call a Professional

If you cannot boot into Windows or if data recovery is needed, contact a professional data recovery service or a certified technician.

Frequently Asked Questions

What does error 0xC0000222 mean?
It means Windows lost data that was cached to be written to a storage device because the device was disconnected unexpectedly. This can cause data corruption.
Can I recover lost data from this error?
Yes, often data can be recovered. First, stop using the affected drive immediately. Use data recovery software or contact a professional service. The SFC and CHKDSK steps may also help repair file system corruption.
Is write caching safe to enable?
Write caching improves performance but increases the risk of data loss if the device is removed improperly. Always use 'Safely Remove Hardware' to flush cache before disconnecting.
Why does this error keep happening?
Common causes include faulty USB cables, failing hard drives, outdated drivers, or repeatedly removing drives without using 'Safely Remove Hardware'. Check drive health and update drivers.
Do I need to replace my hard drive?
Not necessarily. Run CHKDSK to check for bad sectors. If the drive has many bad sectors or health checks fail, consider replacing it to prevent future errors.

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