I used PlayOnLinux to download League of Legends, I managed to get it updated, had to leave it overnight working.
Next day, while logging it, it left errors as "Cannot login in server; try(5)", and things alike, I managed to get it to work, by adding "wininet.dll" thing using WineTricks.
I restarted League of Legends with full hope, but it let me down again.
It does connect to the server, it does check my login data, it does try to log me in. So I see screens like "Connecting to server", "Authentication of data", "Logging in" (note: these are not exact words, but if you used to play League, you know which screens I mean), "Logging In" takes about 20 seconds, then program gives up and prompts me this error:
http://postimg.org/image/i7ldem597/
And this is when I can't Google further. I google League, I googled update issue, I googled connectivity issue, I googled network driver issue, but I can't google this. I think some of you have been through this and could help me.