If you've recently upgraded or re-installed your browser (or upgraded Windows) That might have written over GetRight's Click monitoring settings. Go to the "monitor" page of the configuration window and turn click monitoring off (close the window to apply the changes) then go back and turn click monitoring back on.
Another possibility is that some sites which use CGI re-directs to files can confuse GetRight. Try holding CTRL and ALT when clicking the link you want if it isn't working automatically. This will force GetRight to try and download the file.
