title: error in start MySql service in install Xammp
body: <p>I have installed Apache and start Apache service in port 80. But after starting Apache service, MySql service not start and give me this error:</p>
  
  <pre><code>11:53:47 AM  [mysql]    Attempting to start MySQL service...
  11:53:47 AM  [mysql]    Status change detected: running
  11:53:53 AM  [mysql]    Status change detected: stopped
  11:53:53 AM  [mysql]    Error: MySQL shutdown unexpectedly.
  11:53:53 AM  [mysql]    This may be due to a blocked port, missing dependencies, 
  11:53:53 AM  [mysql]    improper privileges, a crash, or a shutdown by another method.
  11:53:53 AM  [mysql]    Press the Logs button to view error logs and check
  11:53:53 AM  [mysql]    the Windows Event Viewer for more clues
  11:53:53 AM  [mysql]    If you need more help, copy and post this
  11:53:53 AM  [mysql]    entire log window on the forums
  </code></pre>
  
  <p>So I have copy the error in log file:</p>
  
  <pre><code>2014-10-06 19:42:58 6820 [ERROR] Can't start server: Bind on TCP/IP port: No such file or      directory
  2014-10-06 19:42:58 6820 [ERROR] Do you already have another mysqld server running on port: 3306 ?
  
  2014-10-06 19:42:58 6820 [ERROR] Aborting
  
  2014-10-06 19:49:17 3392 [ERROR] Can't start server: Bind on TCP/IP port: No such file or directory
  2014-10-06 19:49:17 3392 [ERROR] Do you already have another mysqld server running on port: 3306 ?
  2014-10-06 19:49:17 3392 [ERROR] Aborting
  2014-10-06 19:55:59 6260 [ERROR] InnoDB: Cannot create D:\xampp1\mysql\data\ib_logfile1
  2014-10-06 19:55:59 6260 [ERROR] Plugin 'InnoDB' init function returned error.
  2014-10-06 19:55:59 6260 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
  2014-10-06 19:55:59 6260 [ERROR] Unknown/unsupported storage engine: InnoDB
  2014-10-06 19:55:59 6260 [ERROR] Aborting
  2014-10-06 19:57:45 7920 [ERROR] InnoDB: space header page consists of zero bytes in data file D:\xampp1\mysql\data\ibdata1
  2014-10-06 19:57:45 7920 [ERROR] InnoDB: Could not open or create the system tablespace. If you tried to add new data files to the system tablespace, and it failed here, you should now edit innodb_data_file_path in my.cnf back to what it was, and remove the new ibdata files InnoDB created in this failed attempt. InnoDB only wrote those files full of zeros, but did not yet use them in any way. But be careful: do not remove old data files which contain your precious data!
  2014-10-06 19:57:45 7920 [ERROR] Plugin 'InnoDB' init function returned error.
  2014-10-06 19:57:45 7920 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
  2014-10-06 19:57:45 7920 [ERROR] Unknown/unsupported storage engine: InnoDB
  2014-10-06 19:57:45 7920 [ERROR] Aborting
  2014-10-06 19:57:58 6240 [ERROR] InnoDB: space header page consists of zero bytes in data file D:\xampp1\mysql\data\ibdata1
  2014-10-06 19:57:58 6240 [ERROR] InnoDB: Could not open or create the system tablespace. If you tried to add new data files to the system tablespace, and it failed here, you should now edit innodb_data_file_path in my.cnf back to what it was, and remove the new ibdata files InnoDB created in this failed attempt. InnoDB only wrote those files full of zeros, but did not yet use them in any way. But be careful: do not remove old data files which contain your precious data!
  2014-10-06 19:57:58 6240 [ERROR] Plugin 'InnoDB' init function returned error.
  2014-10-06 19:57:58 6240 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
  2014-10-06 19:57:58 6240 [ERROR] Unknown/unsupported storage engine: InnoDB
  2014-10-06 19:57:58 6240 [ERROR] Aborting
  2014-10-06 21:10:22 5612 [ERROR] InnoDB: space header page consists of zero bytes in data file D:\xampp1\mysql\data\ibdata1
  2014-10-06 21:10:22 5612 [ERROR] InnoDB: Could not open or create the system tablespace. If you tried to add new data files to the system tablespace, and it failed here, you should now edit innodb_data_file_path in my.cnf back to what it was, and remove the new ibdata files InnoDB created in this failed attempt. InnoDB only wrote those files full of zeros, but did not yet use them in any way. But be careful: do not remove old data files which contain your precious data!
  2014-10-06 21:10:22 5612 [ERROR] Plugin 'InnoDB' init function returned error.
  2014-10-06 21:10:22 5612 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
  2014-10-06 21:10:22 5612 [ERROR] Unknown/unsupported storage engine: InnoDB
  2014-10-06 21:10:22 5612 [ERROR] Aborting
  </code></pre>
  
  <p>.......
  ......</p>
  
  <p>Please help me out to install this web server.
  Thanks</p>