PS C:\Users\Francisco> scoop install registry-finder
WARN  Purging previous failed installation of registry-finder.
ERROR 'registry-finder' isn't installed correctly.
Removing older version (2.59.0.0).
'registry-finder' was uninstalled.
WARN  Scoop uses 'aria2c' for multi-connection downloads.
WARN  Should it cause issues, run 'scoop config aria2-enabled false' to disable it.
WARN  To disable this warning, run 'scoop config aria2-warning-enabled false'.
Installing 'registry-finder' (2.59.0.0) [64bit] from 'extras' bucket
Starting download with aria2 ...
Download: Download Results:
Download: gid   |stat|avg speed  |path/URI
Download: ======+====+===========+=======================================================
Download: 229fc2|ERR |       0B/s|C:/Users/Francisco/scoop/cache/registry-finder#2.59.0.0#84cbfe1.zip
Download: Status Legend:
Download: (ERR):error occurred.
Download: aria2 will resume download if the transfer is restarted.
Download: If there are any errors, then see the log file. See '-l' option in help/man page for details.

ERROR Download failed! (Error 1) An unknown error occurred
ERROR https://registry-finder.com/bin/2.59.0.0/RegistryFinder64.zip
    referer=https://registry-finder.com/bin/2.59.0.0/
    dir=C:\Users\Francisco\scoop\cache
    out=registry-finder#2.59.0.0#84cbfe1.zip

ERROR & 'C:\Users\Francisco\scoop\apps\aria2\current\aria2c.exe' --input-file='C:\Users\Francisco\scoop\cache\registry-finder.txt' --user-agent='Scoop/1.0 (+http://scoop.sh/) PowerShell/5.1 (Windows NT 10.0; Win64; x64; Desktop)' --allow-overwrite=true --auto-file-renaming=false --retry-wait=2 --split=5 --max-connection-per-server=5 --min-split-size=5M --console-log-level=warn --enable-color=false --no-conf=true --follow-metalink=true --metalink-preferred-protocol=https --min-tls-version=TLSv1.2 --stop-with-process=9516 --continue --summary-interval=0 --auto-save-interval=1

Please try again or create a new issue by using the following link and paste your console output:
https://github.com/ScoopInstaller/Extras/issues/new?title=registry-finder%402.59.0.0%3a+download+via+aria2+failed