I have found a way to check a locked process. Using this command: sudo fuser -v /var/cache/debconf/config.dat
sudo kill PID ** Attachment added: "Screenshot from 2020-09-16 21-48-11.png" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1890223/+attachment/5411363/+files/Screenshot%20from%202020-09-16%2021-48-11.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1890223 Title: No Wi-Fi Adapter Found Ubuntu 20.04 after updated Linux kernel to version 5.4.0-42-generic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1890223/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs