It may be related to your graphic card. Either the driver version or settings. See these: 1.
The way to fix the Blank screen on startup, & also this one 2.
GeoForce 3D setting
Also try deleting your LW Preferences folder whilst LW is
closed; instructions here:
Point #2 & 3 in Fixes for Limewire (sample image included.) Though i think more likely the issue is your graphic card settings.