Compressor still says "unknown time remaining "

Hello I am running compressor 3.0.5 and fcp 6.0.6 , I get the message " unkown time remaining " The thing has worked fine for years , I tried compressor repair did a complete unistall , reinstall, still does not work , ? Tried reseting background processing in compressor , still nothing .

Has anyone fiquired this one out ?

Thanks , Steve