i just checked source, netload free never could resume, nor they provide this function serverside. your only way to resume downloads was by using a premium account
virgin media had a firmware update that caused alot of connection issues for most of the ppl using their routers
http://support.jdownloader.org/index...kbarticleid=25
logfile:
http://support.jdownloader.org/index...&kbarticleid=8