For 90% of users stuck on the synchronizing screen, the culprit is . The game tries to download a bad file from the cloud, fails, and tries again forever.
Right-click on the LA Noire shortcut (or the .exe file in the game directory) and select . This gives the game permission to write necessary cache files without Windows blocking it. how to fix la noire synchronizing
The "Synchronizing" screen requires an internet handshake. If a firewall cuts the cord mid-handshake, it freezes. For 90% of users stuck on the synchronizing