You may enable/disable plugins depending on your requirements. Disabling a plugin prevents it from being executed even if the corresponding event has occurred.
To enable a plugin:
1. Navigate to Extensions-> Plugin Manager in the Joomla global menu. The Plugin Manager page appears, as shown in the following figure:
2. Select the check box corresponding to the plugin you want to enable and click the Enable button , as shown in the following figure:
On enabling the plugin, the red cross changes to green tick , as shown in the following figure:
You need to enable the other plugins by following the above procedure. However, in step 2, select the check box corresponding to the appropriate plugin you want to enable.
You can disable a plugin by selecting the check box corresponding to the appropriate plugin and clicking the Disable button in the toolbar.