@Lefthy: You and other with that problem have in common, you are using ELGATO software. Also you have plenty of background programms open, that not needed. try a miniumal boot with msconfig or close them (e.g.: C:\LooseExe\SoundKeeper64.exe , maybe interfere with Windows WSAPI Sound)

@Eoro: Try removing Armory Crate from ASUS, it runs extremely high amount of background tasks. Also close not needed apps in background, like "AI Suite III\EZ Update\EzUpdt.exe" or remove them. They are not needed, BIOS updates can be obtained manually through your the ASUS website.

@Anida: If FFXIV crashes and you have to completly shutdown your entire PC, then something heavily is wrong with your hardware, e.g. overheating or unstable RAM. FFXIV just shows these errors, maybe others games dont. (battlefield for example is known to be a good ram test)