PROBLEM: Upon installation of the 6.0 software suite, you receive this error:
*Bigfoot Networks Killer Network Manager Error
*Error 1721. There is a problem with this Windows Installer package. A program required for this install to complete could not be run. Contact your support personnel or package vendor. Action: RegisterLSP64, location: C:Program Files\Bigfoot Networks\Killer Network Manager\KillerTool.exe, command: -lsp-map
SOLUTION: Install Microsoft .NET Framework 3.5 Service Pack 1. This update is also part of the Windows Automatic Update.
You can find the direct download here.