A 10 year ban is not possible. Maximum is 5 years and the ban can be renewed after 5 years in special cases. First you should know if there is a SIS database entry about you. Every schengen country offer a authority for SIS information requests about yourself. A SIS information request could be ...

thanks. i'll do that as soon as possible

Dear all, I have recently left portugal. on the airport, The immigration officer told me that i am banned to enter whole europe for next ten years cause of over staying (no written notice was given though). Now i got study offer from sweden. very soon i have to apply for visa. I am little confused ...