What should I do before installing PageCache
Before installing this component, you should make sure that the Joomla root is writable (aka the directory where index.php lies), and the administrator directory is writable. The component also installs a module and a mambot, so make sure that /modules and /mambots/system are writable as well. Also make sure that /index.php, /administrator/index2.php, and /administrator/index3.php are writable. Then go ahead and install the component! It will automatically attempt to make all necessary file modifications necessary for the component. If it fails to make the modifications, you can make them manually, or fix the problem and select "Modify Files" from the component menu. Note! You MUST have the follow to install the component
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