Hoyoverse games freezing when purchasing in-game offers

If a Hoyoverse game (Genshin Impact, Honkai: Star Rail, Zenless Zone Zero) freezes when you attempt to purchase in-game offers (Genesis Crystals, Gnostic Hymn, etc.), it might be caused by an update to the Epic Online Services (EOS) overlay.

Here are some troubleshoot steps to try: 

1. Update the Epic Games Launcher
2. Clear the Epic Games Launcher cache: How do I clear the Launcher cache on PC?
3. Reinstall the Epic Games Launcher: How do I reinstall the Epic Games Launcher?
4. Close any background applications that you're not actively using.