what or where or how do you spend these points?
Also, it's a must for me to have a savegame and instructions on how to get/use/get to these things..
Reload checkpoint in game menu if stuck. If you wait a minute or two the game will auto save so you re load the game close to where you where stuck. It's a small price to pay for such a powerful option.
Read the instructions in the trainer and hop around the map using small jumps, and you'll be fine.
I tried everything you said and it still don't work, could this problem be on CH's side, since i know some others have or had this same problem? Maybe it's something wrong with my account/membership?
No, I checked your account and your personalized trainers, the exact same file that you downloaded, and everything worked fine. Some others had this issue with ONLY this trainer, an earlier build and various solutions were offered and worked. No idea what is unique about your PC configuration but I can assure you it's not on our end.