[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.

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