An Unreal Process Has Crashed Ue Shivers

There are few moments in game development or PC gaming as abrupt and jarring as the "UE Shivers." You are navigating a high-fidelity landscape, perhaps testing the limits of a new build or deeply immersed in a shooter, when the screen freezes. A chill runs down your spine—not from the in-game atmosphere, but from the sudden realization that the simulation has broken. The audio loops, a stuttering glitch that sounds like a digital shiver, and the dreaded pop-up appears:

Are you seeing this error in a , or are you developing a project in Unreal Engine when it occurs?

An "unreal process crash" is a telltale sign of unstable overclocks—whether CPU, GPU, or RAM. Shader compilation is a perfect stress test; if your overclock fails even slightly, the shader worker thread crashes. an unreal process has crashed ue shivers

: Missing or broken data within the installation folder.

If encountered, capture the full CrashContext.runtime-xml and call stack, then apply the GC thrash mitigation in Section 7. There are few moments in game development or

The error message is a user-facing (or log-embedded) indication that an Unreal Engine sub-process (e.g., UnrealEditor.exe , UnrealGame.exe , CrashReportClient.exe , or a background asset processor) has entered an unrecoverable state characterized by micro-freezes, thread starvation, and eventual stack overflow or access violation. The term “shivers” is community-coined, referring to rapid, repetitive failure signatures in the call stack involving FEngineLoop::Tick() , garbage collection, or RHI thread synchronization. This paper dissects the root causes, diagnostic patterns, and mitigation strategies.

Crash report: UE-Shivers-2025-04-15 Exception: EXCEPTION_ACCESS_VIOLATION reading address 0xffffffff Call stack top: FPropertyTag::SerializeTaggedProperty -> UEngine::Tick -> FWindowsApplication::Tick Solution applied: Increased gc.TimeBetweenPurgingPendingKillObjects from 60 to 300 → crashes eliminated. An "unreal process crash" is a telltale sign

[/Script/Engine.RendererSettings] r.RHIThread.Enable=1 r.RHIThread.StallTimeout=5.0