What is inSSider?

Sorry, I am a total noob when it comes to networking issues. So what exactly do you advise me to do solve this problem?
Btw, i never have any trouble on other WiFi networks,...

Rollout for both below! Thanks for helping.

Windows IP Configuration

Host Name . . . . . . . . . . . . : RobinUltrabook
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . ....

Dear all,
I generally have good WiFI connection, but in two rooms so I am running a TP-Link system for Wifi through my powernet, which provides me with WiFI in our working space. No problems here....