Ok so i can't verify nor repair my witcher 3 game via gog galaxy . Says its "NOT AUTHORIZED". Tried everything ppl suggested on the forums, tho i can't download 16 DLCs again cause i DLed them before and it says OWNED i can only send them via GIFT. I have to use verify/repair becouse of some game breaking bugs, which seemed to work for other ppl when they used verify/repair. Tried redeeming my code i got in my DVDs and it says its already used/redeemed. It just WON'T FIX the game nor verify! Please tell me what to do here..how to get the game authorized and fixed?!

Have you contacted support about this already?

Do you see the game as owned when you go to your account on the website?
https://www.gog.com/account

I would contact the GOG support staff if the advice you have been given hasn't helped yet. Without owning the game myself, that is the best advice I can give.

Good luck! I hope you get your game working soon.

@ZFR yes i see the game as owned and it just won't authorize it and i cant continue with my gameplay cuz of the major game breaking bug at Nithral boss fight.

@ZaineH Thanks, me too :)

Do contact support then. It's the weekend though, but sometime they might reply
http://www.gog.com/support

Will do thank you very much. Have a good day!

On the right side of the green 'play' button click on more, then backup & extras. Right below game and patches installers you should have DLC's installer (see attached pic). Download and install.
Now, is your game already updated to 1.10? What version of Galaxy and windows?

I downloaded and installed 16 DLCs a while back, galaxy is 1.1.5 beta on windows 8.1 game version 1.10

If you had DLC's installed before 1.10 patch, you have to install them again. You may also uncheck/check Free DLC program under more -> configure.

In case reinstalling DLCs won't help, report issue with logs at http://mantis.gog.com.