Uninstall all versions of packet tracer and go to https://www.netacad.com/portal/resources/packet-tracerdownload the latest version and install it on the pc and that's all it should work for you.

Uninstall all versions of packet tracer and go to https://www.netacad.com/portal/resources/packet-tracerdownload the latest version and install it on the pc and that's all it should work for you.