$ tribler
Starting Tribler…
/usr/share/tribler ~
But the kernel seems to work.
KDE Neon.
Linux 5.13.0-28-generic #31~20.04.1-Ubuntu SMP Wed Jan 19 14:08:10 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
$ apt-show-versions tribler
tribler:all 7.11.0 installed: No available version in archive