Strange error

Today , I turned on the computer , as usual in General . That's just from the steam , when it loaded gave a No network connection the Internet that is . I thought they say okay , then will load again , left for an hour or two from the computer and still it's crap ! I started to deal with this and here : the store Page gives an error -118 when pressing F5 delivers -105 and so on , the library of games is working . So as I'm going into cs:go could go to a DM server , but in this case, the incentive I was showing offline and all friends are not in the network . Went to garys mod and just went to left the server and there is also normal with all played ping around 50-70 . Came in a single game , all games work .
out of steam again and it went 2 times , same thing . Shows I'm not on the network errors 105 and 118 , all I have is offline and Internet say no , but I can play LAN games .
Enables and disables the beta testing of the incentive - did not help .
changed DNS from auto to 8.8.8.8 and alternative 8.8.4.4 , did not help .
And so the same came into the big Picture there I pishit that I'm online , but when I click on any tab again, the error 118 and 105 . Even removed the COP completely from the computer and downloaded it again , downloaded all files again and was able to go to DM , but steam still thinks I'm not online
Sho DELAC?