All the information you need to know about the automatic ban system is outlined in the post linked in the message you receive: https://meta.stackexchange.com/questions/86997/what-can-i-do-when-getting-we-are-no-longer-accepting-questions-answers-from-th

You aren't blocked because your questions are "too boring", you are blocked because your questions are not meeting our quality standards. I suggest you take a look through [the help article on writing a good question.](https://askubuntu.com/help/how-to-ask) This ban didn't happen suddently either, you were warned 7 times in December and 6 in January that the questions you were asking weren't being well received, along with guidance on how to ask better questions.