Internet protection key

[stingergv]

Hello experts, i heve a problem with one of my computers. every time i try to open a browser a window pops and ask me for a security code. the problem is that i 've never set an internet security code. does anybody know how can i get rid of this code?

 

[hang-the-9]

Read exactly what the window states and it's title. Should have a program or some other name in the title bar up top.