bearshare problem??? please help urgently

hi everyone

I am using bearshare pro 5.2.1 ,,,
i am downloading some tv show of 1.3 GB itz downloaded 87% but now its showing previewing in red colour and itz not downloading if i pause,,it doesnt pause,,,i close and restart the application same problem i restarted my pc the same problem but i am able to download other media files,, please help how can resume itz downloading i am fed of it