- Plesk 12.0 for Windows
- Plesk 12.5 for Windows
Plesk upgrade gets stuck on
upgrading Plesk desktop items...
The following error appears when updating/upgrading Plesk:
Failed to install 'C:\\d574d0a59633ae84d8ba389d7e469469\\parallels\\PANEL-WIN_12.0.18\\dist-msi-Microsoft-2003-i386\\panel-desktop.msi': Another installation is already in progress. Complete that installation before proceeding with this install. (Error code 1618)
This is a software issue with internal ID #PPPM-4479 that was fixed in Plesk Onyx.
Upgrade to the latest Plesk version .