I am seeing the same error when I update Ubuntu 22.04 under WSL1:
Processing triggers for install-info (6.8-4build1) ...
sh: 1: gzip: Exec format error
install-info: warning: no info dir entry in `/usr/share/info/coreutils.info.gz'
sh: 1: gzip: Exec format error
install-info: warning: no info dir entry in `/usr/share/info/diffutils.info.gz'
...
I am seeing the same error when I update Ubuntu 22.04 under WSL1:
Processing triggers for install-info (6.8-4build1) ... info/coreutils. info.gz' info/diffutils. info.gz'
sh: 1: gzip: Exec format error
install-info: warning: no info dir entry in `/usr/share/
sh: 1: gzip: Exec format error
install-info: warning: no info dir entry in `/usr/share/
...