[Fix] Update ERROR 5 – Phantasy Star Online 2

This will fix Update ERROR 5 in Phantasy Star Online 2.

Fix 1: Replace all authorization entries

Start Phantasy Star Online 2, leave it there without pressing the “Back” button.
Navigate to the installation folder of Phantasy Star Online 2 (Usually: \SteamLibrary\steamapps\common\PHANTASYSTARONLINE2_NA_STEAM).
Right-click on pso2_bin directory.
Go to Security > Advanced > click on the Replace all authorization entries checkbox.
Press “Apply” button and save the settings.
When you’re done, click “Back” button. (on the launcher which is running in the background) and the update window should appear with no errors.
Use Steam to start the game.