help with limewire pro2.1.1

hi,useing windows me. when i start limewire pro it's very sluggish and unstable. the mouse arrow stutters,shakes and moves slowly. when i type in search box it takes 1 to 2 secondsfor each letter to appear.if i click on anything ie:search, settings or even to download a song it takes a very long time to respond or limewire freezes and i have to shut down the computer manually.i've been useing limewire1.7 with no promblems.i uninstalled and reinstalled with same results. any help would be greatly appreaciated.thank you paul spino