I can reach the activation servers with a ping command
Pinging register.wip.eset.com [91.228.167.125] with 32 bytes of data:
Reply from 91.228.167.125: bytes=32 time=627ms TTL=48
Reply from 91.228.167.125: bytes=32 time=193ms TTL=48
Reply from 91.228.167.125: bytes=32 time=192ms TTL=48
Reply from 91.228.167.125: bytes=32 time=201ms TTL=48
Hence i do not see why it still gives that error