When I launch the Cisco Packet Tracer, I encounter the following error.

$ sudo packettracer
Starting Packet Tracer 7.2.1
/usr/local/bin/packettracer: line 8:  9348 Segmentation fault      (core dumped) ./PacketTracer7 "$@" > /dev/null 2>&1

What could be the issue? How do I solve this?


I had same problem but I found the solution. Cisco released a new version PT 7.2.2. Install the new version and if the problem still persists, you have to install a newer version of libpng12 (1.2.54) https://packages.ubuntu.com/xenial/amd64/libpng12-0/download


Gollis' answer didn't work for me. (I tried reinstalling 7.2.2 and installing the recommended version of libpng12).

Installing 7.3.0 worked though.

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