How-To Completely Uninstall Joomla! Extension?
Remove Remaining Extension Files in File System and Data in Database
Some Joomla extensions do not completely uninstall their plugins, modules, and component, directories, and files. These extensions can include VirtueMart and AdminTools. This can interfere with and disrupt the Joomla update checker process by continuing to search for extension that have been partially uninstalled and don’t exist in the system.
Joomla extensions store data in both the database and the file system.
Extension files are store in the following file system directories:
- Components
- Media
- Modules
- Plugins
- Administrator/Components
- Administrator/Modules
Extension files are stored in the database
- _extensions
- _modules
There could be other data store in the database depending on the type of extension that was installed. Some extensions offer different content types. If any residual data is left in the database, it ould be stored in the _content_type table.
