Since support can't do much because of a file problem, they reseted my download quota, that works as a solution. Download speeds are still real slow. I'm trying to solve that with my local internet provider.If you have any issues, please contact to our support to get help and provide links to such files you have issues with: https://filejoker.net/contact or you can just PM me with all details. Also, as an option you can ask uploaders to reupload such files.
Thanks for you answer.