Skype Error Code 1618: How to Fix It

Easy 5-15 minutes Low Severity Verified June 2026
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Error Code
Error 1618
Brand
Skype
Product Type
communication
Severity
Low
DIY Difficulty
Easy
Estimated Fix Time
5-15 minutes
Skype Error 1618 occurs when Windows detects another MSI (Microsoft Installer) package is currently running, preventing Skype from installing or updating. This error is a built-in Windows protection mechanism to avoid installer conflicts that could corrupt your system.
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Tools You'll Need

How to Fix Error Code Error 1618

  1. Wait for Current Installation to Complete

  2. Close All Running Programs

  3. Restart Your Computer

  4. Run Windows Update First

  5. Use Windows Store Version

  6. Check MSI Service Status

    Only restart the Windows Installer service if other installations have completed

  7. Run Installation as Administrator

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When to Call a Professional

Contact Microsoft Support if the error persists after trying all steps, or if you're unable to install any MSI-based software. This could indicate a deeper Windows system issue requiring professional diagnosis.

Frequently Asked Questions

What does Skype Error 1618 mean?
Error 1618 means 'Another MSI install in progress'. Windows prevents multiple MSI installers from running simultaneously to avoid system conflicts and potential corruption.
Can I force Skype to install with Error 1618?
No, you should not force the installation. Wait for other installations to complete or restart your computer. Forcing installations can cause system instability or corrupted software.
Why does Skype Error 1618 keep happening?
This error typically occurs when Windows Update is running, other software is installing, or a previous installation didn't complete properly. Restarting your computer usually resolves persistent cases.
Is Skype Error 1618 dangerous to my computer?
No, Error 1618 is actually a protective measure by Windows. It prevents potentially harmful conflicts between multiple installers that could damage your system or corrupt software.
Can I install Skype a different way to avoid Error 1618?
Yes, you can install Skype from the Microsoft Store instead of using the desktop installer. The Store version uses a different installation method that may bypass MSI conflicts.

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