Parallels Plesk for Windows upgrade and lots of session files
Be careful when running the Parallels Plesk update utility on Windows servers if you have a large number of files in “C:\Program Files (x86)\Parallels\Plesk\admin\sessions” as once it has finished the upgrade the utility will try and clear this directory before letting you do anything else, including the mandatory reboot. It seems that it is quite easy for there to be...