why i lost name of my my new joomla hello world extension in components menu? -

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i made new joomla3.1 hello world extension using discover extension method install it. after installation unable locate extension name in joomla component menu.

i tried link working fine.

http://localhost/com/administrator/index.php?option=com_process

anticipating helpful response

<?xml version="1.0" encoding="utf-8"?> <!-- $id$ --> <extension type="component" version="3.1" method="upgrade">     <name>com_process_name</name>     <author>arslan tahir</author>     <creationdate>25 dec 2013</creationdate>>     <copyright>gpl</copyright>     <license></license>     <auhtoremail>aaa@outlook.com</auhtoremail>     <version>1</version>     <description>com_process_description</description>        <administration>         <files>         <filename>index.html</filename>         <filename>process.php</filename>         </files>         <menu>com_process_name</menu>     </administration>  </extension>

i have had couple times menu item disabled because of disabling/uninstalling component , not reappearing when component upgraded or installed. there menu item in #__menu table. search table component's name (com_helloworld?) title. should find item there. make sure published set 1 , component_id matches id component in #__extensions table.


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