I had same issues as above, i tried all the above with same result, I solved it by removing new launcher with old, turned off firewall+virus protection then re-installed, this solved all issues for me, hope this helps.
I had same issues as above, i tried all the above with same result, I solved it by removing new launcher with old, turned off firewall+virus protection then re-installed, this solved all issues for me, hope this helps.