The FTB Forum is now read-only, and is here as an archive.
To participate in our community discussions, please join our Discord! https://ftb.team/discord
I found it! ;P try opening it as administrator.
*right click FTB_Launcher.exe ---> open as: administrator*
it probably has something to do with a firewall of some sort, i had the same problem, but i resolved it with this trick.
Hope it works! :D
