Epic Games Store - 0x8a150049

Try these solutions in order, as the first method resolves the issue for most users.

Last updated: April 2026 – This error remains uncommon but is almost always fixed by clearing the web cache or a fresh login. epic games store 0x8a150049

Select and choose Add a user without a Microsoft account . Try these solutions in order, as the first

One of the most successful fixes for this specific error involves your Windows username. If your username has a space (e.g., "John Doe"), the installer may fail. Try these solutions in order

In simpler terms: Your computer is telling Epic’s servers, “I’m already logged in,” but the server doesn’t recognize the digital “key” (token) you’re providing.