Are you sure you are asking for FurryBall 4,8 and not RT??
How to submit FurryBall problem
Please the first try this simple steps:
http://goo.gl/forms/075IC3TDpXBe sure that you use the latest graphics card drivers before you post your problem.
Please follow these steps for submitting your problems to FurryBall forum - it will help faster solve your problem.
1) Send your System Info (Maya version, FurryBall version, graphics cards, CPU, RAM etc.)
2) Send whole log from Maya output window
3) Send Maya version
4) Describe deeply your problem. If your FurryBall STOPPED rendering, describe what was changed in your computer (new hardware, new software installation)
5) You can also send simple example (picture or scene)
Also be sure that you read FAQ