[arch-general] Malformed URL when plugging in External HDD

Hello, I have an external hard disk and when I plug it into KDE arch I see the name of it, when I click on it , I see the disk spinning but I can't open the content of the disk. Sometimes, I see error like "Malformed URL" in a dialog box. However, I can use the disk completely fine on Arch GNOME and Windows. So I think it's my KDE setup which has some error. Can anyone help me diagnose what is going on ? Thanks N