I cant download anything !! Help !!

Hi, I just downloaded Limewire last night and it was working fine. But for some reason this morning when I try to download things it automatically says 100% done, but wont play. I go to launch file and it doesnt work and I tried double clicking, that doesnt work either. Though the files say that they are done, they dont go to the library and they arent in the shared files folder. It says Im sharing 0 files. I dont know what to do !! Help !! Another thing that might be helpful. As soon as I click on a file, in the status column it says "Cannot transfer to library" in addition to showing that it is 100% done. Thanks in advance.