Consequently, players can’t play FFXIV when that error arises. If you need to fix that same error, check out some of these resolutions for it.

How do I fix the FFXIV unable to complete version check error

1. Restart your router

First, restart your router after the error arises. To do that, turn off the router; and then unplug it. Wait for about five minutes before plugging your router back in. Then turn the router on again.

2. Turn off Windows Defender Firewall

Some users have said they’ve fixed the FFXIV unable to complete version check error by turning Windows’ firewall off.

3. Disable third-party antivirus software

Users with third-party antivirus software will need to disable those utilities instead of WDF. Right-click the system tray icon for your antivirus utility to select a disable option for it. If your antivirus software includes an option for disabling the firewall, select that setting as well.

4. Run an adware scan

The FFXIV unable to complete version check error can be due to adware. So, scanning for adware with AdwCleaner might fix the issue for some players. Click Free Download on the AdwCleaner page to save the setup wizard for that software, with which you can install it. Then open Malwarebytes AdwCleaner, and click Scan Now to initiate an adware scan.

5. Verify the game’s file integrity

If you’ve installed FFXIV via Steam client, verify the integrity of the game’s files.

6. Connect to VPN

Some users have resolved the FFXIV unable to complete version check error by connecting to VPN and then opening the game’s launcher. If you don’t have VPN software installed, check out our best VPN client guide. Download and install one of those VPN clients. Then open the FFXIV launcher when connected to your VPN.

7. Edit FFXIV’s boot file

Editing the game’s boot file might fix the FFXIV unable to complete version check error for some users. Those are some of the resolutions players confirm can fix FFXIV’s version check error. Note that this issue can also arise due to server maintenance for the game. You can check if the FFXIV server is undergoing maintenance at the game’s forum.

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