Error running autoinstaller: You specified an unknown option

Created:

2016-11-16 13:16:36 UTC

Modified:

2017-04-24 11:40:50 UTC

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Error running autoinstaller: You specified an unknown option

Applicable to:

  • Plesk 11.5 for Windows

Symptoms

When I click on "Updates and Upgrades" button in Plesk Control panel->Tools & Settings -> Updates and Upgrades , I get the following error:

    Error: Unable to start Parallels Products Installer. The following error has occurred: Error running autoinstaller: You specified an unknown option.

Cause

Old, not updated autoinstaller version.

Resolution

  1. Check autoinstaller version, it should be 3.15:

    C:\\Program Files (x86)\\Parallels\\Plesk\\admin\\bin>ai --version
    Parallels Installer 3.15.14 (built on Jul 31 2013 17:34:00)
  2. If you see the older version of ai.exe , download the latest one from the official site .

  3. Copy downloaded ai.exe to %plesk_bin% folder, (usually it is C:\\Program Files (x86)\\Parallels\\Plesk\\admin\\bin ).

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