by default, the new 4.9 GB ofthe game won't start because the Expansion content don't launchseems to be corrupted.
Either activating it through the in game options or through -mos=expansion promts:
Data file too short 'C: ......\language_f_exp.pbo'\..' Expected ...... Expected -884917492 B, got 1164695 B......
Andon basically all the game does not start anymore.
.ebo files of the APEX preview.