MySQL Server service fails to start and hangs in '
Starting ' state.
The following error can be found in MySQL error log in '
%plesk_dir%\\Databases\\MySQL\\data ' folder:
150608 22:07:32 InnoDB: Operating system error number 32 in a file operation.
InnoDB: The error means that another program is using InnoDB's files.
InnoDB: This might be a backup or antivirus software or another instance
InnoDB: of MySQL. Please close it to get rid of this error.
Another program was using InnoDB's files:
svchost.exe referring to
Download Process Explorer .
Stop Plesk MySQL Server and MySQL Server services
Open Process Explorer and search
mysqlstring through the processes: Find > Find Handle or DLL
Kill the process that referres to
mysql.exeor restart the server.
Contact system administrator to determine the nature of the process (possibly, malware).