If your launcher opens but fails to download the sub-patches required for Beta 15b1, your connection is blocking the server handshake.
Do not just check "Run as Administrator." Do this: tantra kp beta 15b1 download fix
Because many private server clients use custom packers, your antivirus may delete the HTLauncher.exe or essential DLLs during the download. If your launcher opens but fails to download
Right-click your HTLauncher.exe (or Tantra.exe ) and select . Navigate to the Compatibility tab. tantra kp beta 15b1 download fix