

When you run CPT again, this time the program will open successfully!.To download and install libpng, run the commands below in the terminal. You need to install the Libpng package for Packet Tracer, otherwise, the program will not work on your system.Now, run the “packettracer” command in the terminal and when you try to open the simulator program it will not open because you need to install dependent packages.After completing the installation, click Finish to exit the wizard.In the Ready to Install window, click the Install button to start the installation process.Check I accept the license to accept the license agreement of the program, and then click Next.Click Next without changing the installation folder.


Continue by clicking the Next button in the Packet Tracer Setup GUI window.Switch to root access in Terminal and run the commands below to start the installation. run extension installation file you downloaded to your computer to your desktop, and then open Terminal.
