I have been searching for this fix day and night for roughly 30 hours now and finally got it to work!
If you have been having Bad Image! or Update Failed! errors, this will likely get you back into the game.
If this dosent fix the Launcher for you I apologize, but this is kind of a last resort kind of deal.
Type "uninstall" into your search bar, "Add and Remove Programs" should pop up. Click it.
Type "Visual" into the search bar and several Microsoft Visual C++ 20XX Redistributab