Ok here is what you do.

some People have been complaining about the new 4.16 taking up too much Cpu while it's runing here is what you do.Click on.This is in Lime Wire.
Tool's>Options>Advanced>Performance>And tick the Disable TLS Capabilities. This will help with the Cpu problem i clicked it off for mine and it only uses about 10% of my Cpu with is 5/10 Cpu.

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System details - Help us help you > Provide these details when you post !

Fixes For Limewire When LW Isn't Operating As It Should
If you've updated LW and can't find your downloads!
LimeWire FAQ and User Guide--If LimeWire Will Not Load
If Limewire Will Not Connect

System Mechanic--FileHippo--Download.com

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Some time's i just want to throw my computer out the window