same problem with different type connection (on mobile provider/ local wifi/LAN), same problem on windows 10, Kubuntu.
I use default connection with OS.
_{make sure the link is working in the browser}
all link works with browser

_{your FRD version – MAKE SURE YOU ARE USING THE LATEST FRD VERSION – 0.9u4}
version FRD -0.9u4
_{your plugin version (please see Options > Preferences > Plugins > Settings),}
plugin version -fastshare.cz ver.:1.0.10

_{describe problematic behavior,}
unknow error in host site - Connection problem? (došlo k neznámej chybe na strane hostiteľa - Problém so spojením?)

_{- provide download link you have problem with (not link with some violent or p0rn content),}
for example this link :[fastshare.cz]

_{-we would appreciate if you attached the app.log file (Help > Browse to log file)}
log file are attached.


THX for sollution