Did you use the online or offline installers for Java & LW?
Try deleting the preferences folder when LW's closed (points 2 & 3 below) or change compatibility (point 5)
Fixes for LimeWire
If that's no help, try reinstalling Java again & make sure to use the offline installer (point 1 above). Go to add/remove programs & remove the previous Java version before you install the new one.
Once Java's installed, reinstall LW using it's offline installer.
http://www.limewire.com/english/content/download.shtml
Also, make sure LW's on the list of exceptions/allowed apps for any antispyware you're using:wink: