Could you be a bit more specific as to what this pertains too, such as OS or an individual application. Also please provide your computer brand and model. If the computer is custom built provide a list of hardware (list of components to list below).
Hello... The program is LOOKING for the bass.dll file, AT a location the program is trying to look for it... first do a search on your computer for "BASS.dll" and see if it is somewhere else on your computer.
What program are you trying to use?