Must check: How to Block Programs from Accessing the Internet in Windows 10 Method 3: Use a VPN Service for Windows 10 The most basic way to disable any antivirus software are: This is the reason, almost every security software provides a disable option for such occasions so that you don’t have to uninstall the antivirus programs completely. So whenever you face the FFXIV launcher error 30413, before doing anything, try to disable antivirus software for the moment. There are plenty of internet security programs and antivirus software which have been identified as the responsible one for blocking the patch file downloading process. Often or not, your security software might be the reason behind the Unable to download patch files FFXIV launcher error on Windows 10 PC. But nothing to be worried about now, because here we have mentioned all the possible solutions which you can execute in order to fix FF14 launcher error in Windows 10 system.įollow these methods one by one and learn how to fix FFXIV Unable to download patch files error in Windows 10 PC: Method 1: Disable Your Antivirus Software (Temporarily)