Please download bug fixes regularly by going to System -> Updates, then click Install Update (For your current version). Alternatively, activate Automatic Bug Fixes in System Settings.
Make sure you have set up Cron in your control panel to run at least once a day. This is very important and required for automation.
You can use blocks to customize the layout of any page.
The Block system allows you to:
Please watch the video for a quick tour of what you can do with the block system.