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UNEXPECTED_STORE_EXCEPTION: Windows stop error

Last checked 2026-10-17 · 2 fixes · reviewed answer

TL;DRThis is a blue screen error that occurs when Windows encounters an unexpected problem with the storage system, often causing the computer to crash and restart.

Likely causes

  1. Problem with storage driver or connected drivemost likely
  2. Memory or RAM issuepossible
  3. Corrupted system filesless likely

How to fix it

Safest first: SafeChanges settingsDangerous
  1. Restart the computerSafe

    Power off and turn back on to see if the error happens again.

  2. Check drive for errorsChanges settings

    Use the built-in Windows tool to scan the hard drive or SSD for problems.

    Run chkdsk from an elevated command prompt

    ⚠ This may require a restart and could affect open files.

If that didn't fix it

The computer may keep crashing, leading to potential data loss or inability to use the system normally.

When to see a technician

Consult a technician if the error continues after basic restarts and drive checks or if you are uncomfortable running diagnostic commands.

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