I managed to fix it.
I reset the Internet Explorer to default configs and rebooted my pc, now its working.

Thanks for attention dude

I removed my router to pc connect directly with modem, now gimme that error:

Then please check the connection settings in IE or in the Windows system control panel, that there is no proxy, and constant connection to the internet. Which antivirus are you using? Does it have a security suite? Otherwise check in Windows Defender... In the past it happend many times that Maniap...

Did you check if the firewall is not blocking Maniaplanet.exe? Also try this: please put IE in online mode, as Maniaplanet uses the internet connection settings of the Internet Explorer. I use the IE11 on Windows 8.1, theres no offline/online mode anymore, and yeah, ManiaPlanet isnt being blocked b...

I bought the game on Steam, but when i try to register, i receive a connection error http://i.imgur.com/tIrgklI.png Theres no error code, and when i create a offline account and click on Trackmania² Canyon, appears this. http://i.imgur.com/h5sXmEW.png and i can't even play the game lel FIX: I manag...