"N. Y." writes: > Are there any workarounds, for an inexperienced user who does not know much about guix? I am getting 404's for > > - https://bordeaux.guix.gnu.org/nar/zstd/arnx6fnjq85wscmr894d64cj3529r3h1-wxPython-4.2.0.tar.xz > - https://bordeaux.guix.gnu.org/nar/zstd/26q8viimh3r73549drqigvz07kl9v6pr-webkitgtk-2.40.1.tar.xz > > After a recent guix pull to 3807876 of https://git.savannah.gnu.org/git/guix.git Yep, clearing the guix-daemon's substitute cache should workaround these issues. On my system, that can be done by running: sudo rm -r /var/guix/substitute/cache/