Yes I installed and restarted. I also upgraded to latest version.
gretl version 2026b
Current session: 2026-09-28 09:20
? nulldata 271
periodicity: 1, maxobs: 271
observations range: 1 to 271
? setobs 5 2015-01-02
Full data range: 2015-01-02 - 2016-01-15 (n = 271)
? include yahoo_get.gfn
Error loading yahoo_get.gfn
Error executing script: halting
> include yahoo_get.gfn