I'm haveing the same problems but it not this vires.

Click the library tab and look at the folder shared
on your it should look find but on mine there is a + netx to it.
that meanes there is a folder in there thats not shound be there
the file name is called _
there was tons of useless zip files in it but now there notthing
BUT I CAN'T DLEATE IT!!!!!!!!!!!!
it only appers on my limewire
and the confuising part it, i didn't dowload it
I know if the file is gone limewire will fix itself
SOMEVBODY HELP ME PLEASE!!!!