- Plesk 12.0 for Windows
Unable update Plesk 12.0.
The following error messages are present in php_error.log:
ERR [panel] Task failed: id=2889, pid=4572, type=panel-update, error=Execution failed.
 => --select-product-id
 => panel
 => --select-release-current
 => --upgrade-installed-component
Details: ERROR: The product 'panel' is not installed yet.
- When Plesk installer is run with the command:
C:\> "%plesk_bin%"\ai.exe --console --all-versions
list of installed components is empty. Plesk 12.0 marked as uninstalled.
- Inside registry key HKCR\Installer\UpgradeCodes there are a lot of upgrade codes registered with references to the installed products, but inside registry key HKCR\Installer\Products there are only 2 products:
Registry branch HKCR\Installer\Products is corrupted.
Restore registry from registry backup or full server backup.
If there is no such possibility, contact Microsoft Support regarding the restoration of the MSI registry consistency.