Microsoft Network Adapter Multiplexor Adapter
Network Adapter Teaming in windows 8. Microsoft has addressed a variety of redundancy and performance features with this release and overviewed them at build. Windows 8 comes with native Network Adapter Teaming, which means you do not need to pre-install or configure any software provided by the network adapter vendor for the NIC Teaming.
Microsoft
The pop-up window may be part of the installation process so let it run, don't close it, it should close itself after a short while. What does it say in the pop-up window anyway? 
Microsoft Network Adapter Multiplexor Adapter
' microsoft network adapter multiplexor protocol' I don't even have that protocol available, installed or otherwise (Win7). Try installing the others. 
Its not a install window its a window to click client or protocols they are both empty because everything is installed im on win10 the microsoft network adapter multiplexor protocol whas in the protocol option.