sometimes you gotta pick different type of issue to get live chat option available.
So you can try that, and write the relevant info into the comment box, for the "agent" to read and offer help.
finally one of the support guys was able to help me. Mr. Ubi Sebowy solved my problem pretty fast.
he removed the game from my library and placed it there again. its works perfectly now. beer for that guy!
the topic is solved, You can close it. thank You all for Your efforts and help.