A JE TO VYRIESĚNÉ!
Steam Support odpísal: "Hello Jakub,
Thank you for contacting Steam Support.
We apologize for the delay.
Please complete the steps below to refresh your configuration files for Steam:
Exit Steam.
Please open Internet Explorer, Safari or Firefox and type
steam://flushconfig then press Enter. (If asked to allow this website to open a program, please click 'Allow' or 'OK')
When prompted by Steam to reset your configuration, please click 'OK' to confirm.
Once done, login to Steam and re-test the issue."
STEAM KONEČNE FUNGUJE! Ďakujem za všetky návrhy, uzatváram tento príspevok!