title: MySQL service wont start on XAMPP
body: <p>I installed MySQL Server 5.6, but soon after I had to install XAMPP.</p>
  
  <p>When I try to start MySQL it just hangs at...</p>
  
  <pre><code>Attempting to start MySQL app...
  </code></pre>
  
  <p>The errors in the logs are as follows...</p>
  
  <pre><code>140401 15:05:43 [Note] Plugin 'FEDERATED' is disabled.
  140401 15:05:43 InnoDB: The InnoDB memory heap is disabled
  140401 15:05:43 InnoDB: Mutexes and rw_locks use Windows interlocked functions
  140401 15:05:43 InnoDB: Compressed tables use zlib 1.2.3
  140401 15:05:43 InnoDB: Initializing buffer pool, size = 16.0M
  140401 15:05:43 InnoDB: Completed initialization of buffer pool
  InnoDB: Error: space header page consists of zero bytes in data file C:\xampp\mysql\data\ibdata1
  140401 15:05:43 InnoDB: Could not open or create data files.
  140401 15:05:43 InnoDB: If you tried to add new data files, and it failed here,
  140401 15:05:43 InnoDB: you should now edit innodb_data_file_path in my.cnf back
  140401 15:05:43 InnoDB: to what it was, and remove the new ibdata files InnoDB created
  140401 15:05:43 InnoDB: in this failed attempt. InnoDB only wrote those files full of
  140401 15:05:43 InnoDB: zeros, but did not yet use them in any way. But be careful: do not
  140401 15:05:43 InnoDB: remove old data files which contain your precious data!
  140401 15:05:43 [ERROR] Plugin 'InnoDB' init function returned error.
  140401 15:05:43 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
  140401 15:05:43 [ERROR] Unknown/unsupported storage engine: InnoDB
  140401 15:05:43 [ERROR] Aborting
  
  140401 15:05:43 [Note] c:\xampp\mysql\bin\mysqld.exe: Shutdown complete
  </code></pre>
  
  <p>I tried stopping the MySQL56 service in services, but still it didnt work</p>
  
  <p>I also tried changing ports in my.ini to 3307, but still no luck</p>
  
  <p>I have obviously restarted everything after these changes but it just stays hanging on the attempt to start</p>