title: Error - XAMPP - MySQL shutdown unexpectedly
body: <blockquote>
    <p>11:27:57  [mysql]  This may be due to a blocked port, missing dependencies, </p>
    
    <p>11:27:57  [mysql]  improper privileges, a crash, or a shutdown by another method.</p>
    
    <p>11:27:57  [mysql]     Press the Logs button to view error logs and check</p>
    
    <p>11:27:57  [mysql]     the Windows Event Viewer for more clues</p>
    
    <p>11:27:57  [mysql]     If you need more help, copy and post this</p>
    
    <p>11:27:57  [mysql]     entire log window on the forums</p>
  </blockquote>
  
  <p>Here is the contents of the error log:</p>
  
  <blockquote>
    <p>2018-08-18 11:53:23 4dc InnoDB: Warning: Using innodb_additional_mem_pool_size is DEPRECATED. This option may be removed in future releases, together with the option innodb_use_sys_malloc and with the InnoDB's internal memory allocator.</p>
    
    <p>2018-08-18 11:53:23 1244 [Note] InnoDB: innodb_empty_free_list_algorithm has been changed to legacy because of small buffer pool size. In order to use backoff, increase buffer pool at least up to 20MB.</p>
    
    <p>2018-08-18 11:53:23 1244 [Note] InnoDB: Using mutexes to ref count buffer pool pages</p>
    
    <p>2018-08-18 11:53:23 1244 [Note] InnoDB: The InnoDB memory heap is disabled</p>
    
    <p>2018-08-18 11:53:23 1244 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions</p>
    
    <p>2018-08-18 11:53:23 1244 [Note] InnoDB: _mm_lfence() and _mm_sfence() are used for memory barrier</p>
    
    <p>2018-08-18 11:53:23 1244 [Note] InnoDB: Compressed tables use zlib 1.2.3</p>
    
    <p>2018-08-18 11:53:23 1244 [Note] InnoDB: Using generic crc32 instructions</p>
    
    <p>2018-08-18 11:53:23 1244 [Note] InnoDB: Initializing buffer pool, size = 16.0M</p>
    
    <p>2018-08-18 11:53:23 1244 [Note] InnoDB: Completed initialization of buffer pool</p>
    
    <p>2018-08-18 11:53:23 1244 [Note] InnoDB: Highest supported file format is Barracuda.</p>
    
    <p>2018-08-18 11:53:24 1244 [Note] InnoDB: 128 rollback segment(s) are active.</p>
    
    <p>2018-08-18 11:53:24 1244 [Note] InnoDB: Waiting for purge to start</p>
    
    <p>2018-08-18 11:53:24 1244 [Note] InnoDB:  Percona XtraDB (<a href="http://www.percona.com" rel="nofollow noreferrer">http://www.percona.com</a>) 5.6.38-83.0 started; log sequence number 3088998</p>
    
    <p>2018-08-18 11:53:24 2020 [Note] InnoDB: Dumping buffer pool(s) not yet started
    Cannot find checkpoint record at LSN (1,0x208b)</p>
    
    <p>2018-08-18 11:53:24 1244 [ERROR] mysqld.exe: Aria recovery failed. Please run aria_chk -r on all Aria tables and delete all aria_log.######## files</p>
    
    <p>2018-08-18 11:53:24 1244 [ERROR] Plugin 'Aria' init function returned error.</p>
    
    <p>2018-08-18 11:53:24 1244 [ERROR] Plugin 'Aria' registration as a STORAGE ENGINE failed.
    2018-08-18 11:53:24 1244 [Note] Plugin 'FEEDBACK' is disabled.</p>
    
    <p>2018-08-18 11:53:24 1244 [ERROR] Aria engine is not enabled or did not start. The Aria engine must be enabled to continue as mysqld was configured with --with-aria-tmp-tables</p>
    
    <p>2018-08-18 11:53:24 1244 [ERROR] Aborting</p>
  </blockquote>