After a clean installation of 7.5.2 everything was working fine but overnight I got the following error when I tried to login to the Plesk Control Panel. It works after restart but it happens again after a while
Unable to connect to database: Can't connect to MySQL server on '127.0.0.1' (10055) 0: C:\Program Files\SWsoft\Plesk\admin\auto_prepend\auth.php3:56 psaerror(string "Unable to connect to database: Can't connect to MySQL server on '127.0.0.1' (10055)")
Unable to connect to database: Can't connect to MySQL server on '127.0.0.1' (10055) 0: C:\Program Files\SWsoft\Plesk\admin\auto_prepend\auth.php3:56 psaerror(string "Unable to connect to database: Can't connect to MySQL server on '127.0.0.1' (10055)")