Microsoft Windows Error Code 0x80070670: How to Fix It

Easy 15-30 minutes Medium Severity Verified June 2026
Summarize with ChatGPTSummarize with ClaudeSummarize with Perplexity Add as Preferred Source on Google
Error Code
0x80070670
Brand
Microsoft Windows
Product Type
hresult
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
15-30 minutes
Error 0x80070670 occurs when Windows Installer encounters an invalid or corrupted installation package. This typically means the .msi or .exe file you're trying to run is damaged, incomplete, or not compatible with your system. It can also appear if the Windows Installer service is misconfigured.
Ad

Tools You'll Need

How to Fix Error Code 0x80070670

  1. Run Windows Update

  2. Restart Windows Installer Service

  3. Re-download the Installation File

    Only download from official or trusted sources to avoid malware.

  4. Use the Program Install and Uninstall Troubleshooter

  5. Check System File Integrity

  6. Perform a Clean Boot and Retry Installation

    After installation, re-enable services and startup items using the same method.

  7. Repair or Reset Windows Store (if applicable)

Ad

When to Call a Professional

If none of these steps work, the installation package may be corrupted beyond repair, or your Windows installation may have deeper issues. Contact the software publisher for support or consider a professional technician to repair Windows.

Frequently Asked Questions

What does error 0x80070670 mean on Windows?
Error 0x80070670 means Windows encountered an invalid or corrupted installation package. The .msi or .exe file you are trying to run is not valid, possibly due to incomplete download, file corruption, or compatibility issues.
Can error 0x80070670 be caused by malware?
Yes, malware can corrupt installation files or interfere with the Windows Installer service. Always run a full antivirus scan if you suspect malware. Also, only download installation files from official sources.
How do I re-register Windows Installer to fix error 0x80070670?
Open Command Prompt as administrator. Type 'msiexec /unregister' and press Enter, then type 'msiexec /regserver' and press Enter. This re-registers the Windows Installer service. Then restart your PC.
Does error 0x80070670 affect all software or only specific ones?
The error typically occurs only with specific installation files that are invalid. It can happen with any software if the .msi or .exe file is corrupted or incompatible.
Can I bypass error 0x80070670 and still install the software?
No, you should not bypass this error. The package is invalid, and installing it could cause system instability or security risks. Always fix the underlying issue (re-download, repair system, etc.) before attempting installation.

Related Error Codes