After the latest upgrade which failed you are not able to uninstall the package either.
In my opinion this should race the severity to grave. sudo dpkg -r --force-all shim-signed:amd64 (Reading database ... 613031 files and directories currently installed.) Removing shim-signed:amd64 (1.34+15.4-2) ... cat: /sys/firmware/efi/fw_platform_size: No such file or directory dpkg: error processing package shim-signed:amd64 (--remove): installed shim-signed:amd64 package post-removal script subprocess returned error exit status 1 Errors were encountered while processing: shim-signed:amd64 -- Hilsen/Regards Michael Rasmussen Get my public GnuPG keys: michael <at> rasmussen <dot> cc https://pgp.key-server.io/pks/lookup?search=0xD3C9A00E mir <at> datanom <dot> net https://pgp.key-server.io/pks/lookup?search=0xE501F51C mir <at> miras <dot> org https://pgp.key-server.io/pks/lookup?search=0xE3E80917 -------------------------------------------------------------- /usr/games/fortune -es says: Tex SEX! The HOME of WHEELS! The dripping of COFFEE!! Take me to Minnesota but don't EMBARRASS me!!
pgpFJlGet5uiH.pgp
Description: OpenPGP digital signature
