MySQL Server or MS SQL Server service cannot start on a Plesk server:
Error 1067: The process terminated unexpectedly
The following error can be found in Windows > Start > Event Viewer > Windows Logs > System:
The file system structure on the disk is corrupt and unusable. Plesk run the chkdsk utility on the volume DeviceHarddiskVolume3.
The following error can be found in Windows > Start > Event Viewer > Windows Logs > Application:
CONFIG_TEXT: initerrlog: Could not open error log file ‘C:Program FilesMicrosoft SQL ServerMSSQL12.MSSQLSERVERMSSQLLogERRORLOG’. Operating system error = 1392(The file or directory is corrupted and unreadable.).
The file system is corrupted.
Connect to the server via RDP and scan the file system for errors and fix them:
C:> chkdsk c: /f /v /r