Here's the fact step by step:
-Clean installation of the game (tried in :\C and differents path)
-Downloaded the patches from the updater
-Launched everything by administrator but... when the PRLauncher starts to apply the first patch (from 1.5.0. to 1.5.4) to the game folder, it automatically quit to the desktop opening the pr/bin folder of the game.
Me and @Suchar (thanks for your time buddy, really appreciate

- tried to download before the torrent version, and then the Direct download client
- manually launch the PRLauncher (launcher and updater are on the same folder).
- manually downloaded the update and manually launched (same history)
- redownloaded the 1.5.0 to 1.5.4 thinking it was corrupted or similiar
- tried to change the permissions of the folders
- changed the administrator of the whole :\C path, included the &appdata% folder where the download are
- everything run in administrator mode
- disabled all the windows defender antivirus on pc (is the only one installed) and tried to put an exception on the scan folders for the PR paths
It has been a freaking month trying to install the Project Reality game, tried everything possibile and read about 100 posts and video for possible solution, but nothing happened.
Trying to ask to the god of supports, thanks in advance for your time and attention.
regards, Federico from quaranten-Italy