[UPDATE 11/15/21] All I had to do was catch up on posting some news for Rockstar to get their updated PC release back on their Games Launcher. @RockstarSupport announced the game’s return on the evening of November 14th:
Grand Theft Auto: The Trilogy – The Definitive Edition is again available through the Rockstar Games Launcher for play and purchase. We sincerely apologize for the inconvenience, and are working to improve and update overall performance as we move forward
Are the numerous bugs and inconsistencies compared to the original versions fixed? Not at all. But they did most likely lock up those data files that were originally found and spread around the internet last week. Our original post from November 14th continues below.
Shortly after the launch of Grand Theft Auto: The Trilogy – The Definitive Edition on November 11th, Rockstar temporarily took the entire Rockstar Games Launcher and service offline and has since removed the trilogy from sale. As of November 12th the Games Launcher, marketplace, and online services have all come back online but the Definitive Edition remains unavailable on PC as of this writing, November 14th.
The Rockstar Games Launcher is now back online. However, Grand Theft Auto: The Trilogy – The Definitive Edition will remain unavailable to play or purchase as we work to remove some data files that were unintentionally included in the new versions of these games. We sincerely apologize for the inconvenience and we hope to have the correct versions of the games up and running for everyone as soon as possible.Rockstar Support Tweet
The console versions remain available on PlayStation and Xbox platforms, as well as on the Nintendo Switch, which has resulted in a datamine of “almost everything for the original trilogy”, according to GTA fan Vadim M. Apparently an early patch has removed the ability to access these files but the data is out in the wild now including the game’s script, code with original programmer comments, and audio file libraries.
Beyond removing access to the unprotected files, Rockstar will hopefully address the mounting lists of bugs and inconsistencies found in the Definitive Edition in future patches and return the PC version to sale. Thanks to HandMaskTar and everyone who pointed out the news last week.