Download failed (60) ERROR: SSL

Hi, dear expert I got the below error, could you please guide me what is this mean exactly??

Code: [Select]

ERROR: Download failed (60) ERROR:  Message: SSL peer certificate or SSH remote key was not OK
ERROR: downloadPatch: Can't download daily-26777.cdiff from https://database.clamav.net/daily-26777.cdiff
ERROR: Download failed (60) ERROR:  Message: SSL peer certificate or SSH remote key was not OK
ERROR: Can't download daily.cvd from https://database.clamav.net/daily.cvd
ERROR: Update failed for database: daily
ERROR: Database update process failed: Connection failed
ERROR: Update failed.
thank you very much

regards.