How to fix “An Update to the game file has been detected…” error in Phantasy Star Online 2
There has been an influx of reports from players who are either unable to boot up Phantasy Star Online 2, or have had the game randomly crash on them only to display the error message “An Update to the game file has been detected…”
Despite going through standard troubleshooting options like restarting the game, or uninstalling and reinstalling, this issue has persisted. Fortunately, there appears to now be a working fix that is helping out some users.