Plesk upgrade failed: Another installation is already in progress.

Created:

2016-11-16 13:24:34 UTC

Modified:

2017-04-24 11:36:39 UTC

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Plesk upgrade failed: Another installation is already in progress.

Applicable to:

  • Plesk for Windows

Symptoms

The following message is found in C:\\ParallelsInstaller\\autoinstaller3.log :

Failed to install 'C:\\ParallelsInstaller\\parallels\\PANEL-WIN_11.5.30\\dist-msi-Microsoft-2003-i386\\plesk-site.msi': Another installation is already in progress.
Complete that installation before proceeding with this install. (Error code 1618)

Cause

One or more msiexec.exe processes are still running or hung.

Resolution

  1. Use Process Monitor and Process Explorer to find running or hanging msiexec.exe processes;

  2. Kill the found msiexec.exe processes via Task Manager;

  3. Try to upgrade Plesk again.

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