Manual update attempt fails with following error:
Error: can't apply patch panel-11.0.9~patch53
Unable to set the object (E:\Parallels\Plesk\tmp.aiupd_15589\Mysql.php.new) owner: (1307) This security ID may not be assigned as the owner of this object.
The problem might be caused when running
ai.exe as non-privileged system user (not a member of Administrators group).
%plesk_bin%\ai.exe as server administrator, either by right-clicking on the executable and choosing "Run as Administrator" or by opening Tools & Settings > Updates and Upgrades from Parallels Plesk Panel interface.