October 2019
No... Only have 1907 on my PC capable of playing the game.
October 2019
November 2019
Do use Firefox. Browser is unreliable.
November 2019
Sorry I do not use Firefox.
November 2019
It sounds like there could be a pending Windows update in the background, browser issue (try clearing the cache), or an anti-virus/program running in the background is stopping Hardline from launching.