Sometimes the Kubuntu developers release feature and security updates for applications and packages within the Kubuntu system.
When these updates are available, Kubuntu will inform you with a red warning icon in the system tray. To update your system, click the red button, enter your password and click .
The Software Management program will list the available updates: to download and install these updates click . Kubuntu will then download and install the available updates from the Internet.
When Software Management has finished updating your system, close the pop-up window by clicking the button.
After installing some important updates, it may be necessary to restart your computer. If so, Kubuntu will inform you with a pop up and an icon in your system tray.
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