This means your hostslists.txt file has been exhausted, and it's trying the GSPs built into the program.

Look at address D4578 in the XoloX exe... looks somethine like this:

____ 63.211.153.119 ____ 6346 ____ 64.61.25.139 ____ 208.239.76.100 ____ 216.231.59.208 ____¤ 208.245.164.155 ____ 24.95.35.22 RM Ahost


Looks like 6 host IPs to me... This makes me think the problem is that they hard-code the current IP of the GSPs when they release a version, instead of using the domain name, like:
connect1.gnutellanet.com:6346 or
public.bearshare.net:6346 or
connect.limewire.com:6346 or
router.limewire.com:6346 or
... I think you get the idea ...

They use domain names to make chaning the IP they point to easy, it's no wonder the built in hosts for XoloX stop working after a little while. My advise in the short term: Shut down XoloX, and download a recent hostcache.txt. My advise in the long term is to the devs: Take the extra half a second to resolve connect.limewire.com (or whatever) to it's CURRENT IP instead of hard coding whatever the IP happens to be at the time of compile.