Once saved, close the file, then run your FFXIV launcher to see if this fixes your version check error.
If it gives an error while saving, keep trying to save. Press the Ctrl key and S on your keyboard at the same time to save your change.Also, check if B4EulaAgreement is 0 then change it to 1.Change the value of BootVersionCheckMode from 0 to 1 Change the value of BootVersionCheckModefrom 0 to 1.Open the FFXIV_BOOT.cfg file with Notepad Now with notepad or similar utility open the “.Open the file explorer and paste the copied path in it and press “ Enter”.%userprofile%\Documents\My Games\FINAL FANTASY XIV - A Realm Reborn\ Sometimes the Boot Configuration file due to any reason cannot be configured properly, as a result, we sometimes manually have to change the Boot Configuration File to let the game run error-free. If the problem is not resolved, move to the next solution.
Select ‘Verify Integrity of Game Cache Verify Integrity of Game Cache. Find Final Fantasy XIVin the Steam library. Verifying the game cache allows FFXIV to download any missing/damaged/corrupt files. And Steam has a way to solve this problem. If there are some game files damaged/corrupted or missing then the Steam client would show the error message. This solution for the user who is playing the FFXIV on the Steam client. If the error is not solved, move to the next solution. Wait for 5 minutes and then restart the system. Restarting the system & router is a simple fix as you are playing online and if there is any problem between the communications then restarting the PC & Router is the best option and starting point in troubleshooting any tech issue. If servers are not offline, then move to the next solution. If so, wait for the time mentioned on the forum to recheck for the game servers to be back online. Visit the Square-Enix Forum to see if there are any announcements regarding the maintenance of the server. Before moving on, it is always a good idea to check the servers. This error message mostly appears when your game could not communicate with the game servers. On testing the game on our workstations, we were able to find the following solution to the error “FFVIX Unable to Complete Version Check”. But naturally, when new updates are added, mistakes do take place, and the same is true for Final Fantasy XIV and an error message that usually pops up too often for the Final Fantasy XIV is “FFVIX Unable to Complete Version Check”. This error message seems to pop out especially after a patch.