External command finished with errors
Command apt install -y -no-upgrade -o
Acquire::gpgv::Options::=–ignore-time-conflict shim-signed finished with exit code 100. Output:WARNING:
apt does not have a stable CLI interface. Use with caution in scripts. Reading package lists… Building dependency tree… Reading state information…
Package shim-signed is not available, but is referred to by another package.
This may mean that the package is missing, has been obsolted, or is only available from another source E: Package ‘shim-signed’ has no installation candidate.
I have looked around on forums for similar problems but can’t seem to find anything quite like this and I’m new to Linux. I made the mistake of thinking things would just work or be easy but they never are with me any help would be most appreciated as I currently have a laptop with no os on.