Microsoft Windows Error Code 0x80070017: How to Fix It

Medium 1-3 hours High Severity Verified June 2026
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Error Code
0x80070017
Brand
Microsoft Windows
Product Type
hresult
Severity
High
DIY Difficulty
Medium
Estimated Fix Time
1-3 hours
Error 0x80070017 in Windows indicates a cyclic redundancy check (CRC) failed, often due to corrupted system files, faulty memory, or a bad hard drive. This guide will help you diagnose and fix the issue.
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Tools You'll Need

How to Fix Error Code 0x80070017

  1. Back Up Important Data

    Back up data immediately to avoid permanent loss.

  2. Run System File Checker (SFC)

  3. Run DISM Tool

  4. Check Disk for Errors

    This may take a long time on large drives. Do not interrupt.

  5. Test and Replace RAM (if needed)

    Handle RAM carefully; static electricity can damage components.

  6. Reinstall Windows (Final Resort)

    Reinstallation may still delete installed applications. Back up data first.

Parts You May Need

RAM stick (compatible with motherboard)
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Hard drive or SSD
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RAM stick (compatible with motherboard)
Check Price on Amazon
Hard drive or SSD
Check Price on Amazon
RAM stick (compatible with motherboard)
Check Price on Amazon
Hard drive or SSD
Check Price on Amazon
RAM stick (compatible with motherboard)
Check Price on Amazon
Hard drive or SSD
Check Price on Amazon
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When to Call a Professional

If you are unable to boot into Windows or cannot fix errors with SFC/DISM/chkdsk, consider taking your PC to a professional technician for hard drive or hardware replacement.

Frequently Asked Questions

What causes Windows error 0x80070017?
This error is caused by corrupted system files, a failing hard drive, faulty RAM, or a corrupt Windows Update cache.
Can error 0x80070017 damage my files?
The error itself doesn't damage files, but the underlying hardware issues (e.g., failing hard drive) can lead to data corruption. Back up immediately.
How do I fix error 0x80070017 without losing data?
Start with SFC and DISM scans. If those fail, run chkdsk. If the hard drive has bad sectors, back up data and replace the drive.
Is error 0x80070017 a hardware or software issue?
It can be either. Software issues include corrupt files or updates; hardware issues include failing hard drive or bad RAM.
Does reinstalling Windows fix 0x80070017?
Yes, but only if the cause is software corruption. If the hard drive is physically failing, reinstallation won't help—replace the drive first.

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