after activating verbose log i found this error:

*   Trying 104.16.218.84:443...
* Connected to database.clamav.net (104.16.218.84) port 443 (#0)
* ALPN, offering http/1.1
* error setting certificate verify locations:  CAfile: /@unixroot/etc/pki/tls/certs/ca-bundle.crt CApath: none
* Closing connection 0
Tue Dec 24 10:30:12 2024 -> !Download failed (77) Tue Dec 24 10:30:12 2024 -> ! Message: Problem with the SSL CA cert (path? access rights?)
Tue Dec 24 10:30:12 2024 -> !Can't download daily.cvd from https://database.clamav.net/daily.cvd
Tue Dec 24 10:30:12 2024 -> Giving up on https://database.clamav.net...
Tue Dec 24 10:30:12 2024 -> !Update failed for database: daily
Tue Dec 24 10:30:12 2024 -> !Database update process failed: Connection failed
Tue Dec 24 10:30:12 2024 -> !Update failed.
Tue Dec 24 10:30:12 2024 -> ~[LibClamAV] cli_rmdirs: Can't locate d:/usr/local/clamav/share/clamav/tmp.add81be443: No such file or directory


the content of  /@unixroot/etc/pki/tls/certs is this one:

15/11/11 18:05        662.586      0 a---  ca-bundle.crt
15/11/11 18:05        743.949      0 a---  ca-bundle.trust.crt