Microsoft Windows Error Code 0x80070435: How to Fix It

Easy 15-20 minutes Medium Severity Verified June 2026
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Error Code
0x80070435
Brand
Microsoft Windows
Product Type
hresult
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
15-20 minutes
Error code 0x80070435 appears in Windows when a program tries to change or create a password with an invalid name. This often occurs during app installations or Windows Update. The fix usually involves clearing corrupted password credentials or resetting Windows security settings.
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Tools You'll Need

How to Fix Error Code 0x80070435

  1. Run the Windows Update Troubleshooter

  2. Clear Stored Credentials

  3. Reset Windows Update Components

    Back up your data before running these commands.

  4. Run System File Checker (SFC) and DISM

  5. Check for Malware

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When to Call a Professional

If the error persists after all steps, contact Microsoft Support or a professional technician to check for deeper system corruption or hardware issues.

Frequently Asked Questions

What causes error 0x80070435?
This error occurs when Windows encounters an invalid password name, often due to corrupted credentials, incomplete updates, or malware.
Can I fix error 0x80070435 without losing data?
Yes, all steps are non-destructive and do not delete personal files. However, backup is recommended before system changes.
Does this error affect Windows 10 and 11?
Yes, 0x80070435 can appear on Windows 10 and 11, and the fixes are identical.
Do I need an antivirus to fix this error?
While not always required, running a malware scan helps rule out infection as a cause.
Will resetting Windows Update delete my files?
No, resetting Windows Update components only renames folders. Your personal files remain safe.

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