Thanks HawaiianPi, the problem on my PC has solved thanks to your suggestion.
Everything's working properly after the Windows 10 version 1809 update, which had been missing in my PC-B.

Thanks for the suggestions, Andyroo and HawaiianPi, here are some additional conditions. I believe investigating successful condition on PC A would be as important as investigating the failure condition on PC B. The host name was specified by name without ".local" attached, like simply "Raspbian" wh...

I have successfully SSHed from a Windows 10 PC (PC name "A") to headless Raspberry pi zero W with Raspbian installed. However, when I tried to SSH from another Windows 10 PC (PC name "B"), I've got "Host does not exist" error message. I'm afraid this is the setting problem on PC "B", however, I've g...