NVIDIA has changed how shader cache works, and the latest Display Driver Uninstaller update reflects that shift with a more flexible cleanup option that now accounts for the company’s new Automatic Shader Compilation feature. The update matters because shader cache plays a direct role in game performance, and damaged cache files can lead to crashes, stutters, or visual glitches during gameplay.
According to NVIDIA, shader cache stores precompiled graphics data on your system so games do not rebuild the same shaders every time you launch them, which reduces load times and improves overall smoothness. However, corrupted cache files can create problems, which is why tools like Display Driver Uninstaller have included options to clear them during driver cleanup.
What Changed in DDU 18.1.5.1
Wagnardsoft has released Display Driver Uninstaller version 18.1.5.1, and the key change is that NVIDIA shader cache removal is now optional for users who run Automatic Shader Compilation. This update also adds support for removing NVIDIA Shader Compiler tasks, improves temp folder cleanup accuracy, and updates how scheduled tasks get removed, while also refining registry exclusions when the NVIDIA App is not selected.
NVIDIA introduced Automatic Shader Compilation as a beta feature that rebuilds DirectX 12 shaders after driver updates while your system stays idle or when you trigger it manually, which helps reduce shader-related stutters during gameplay. Games still compile shaders during the first install, but ASC handles updates after driver changes so performance stays consistent over time.
Display Driver Uninstaller continues to serve as a full driver cleanup tool that removes leftover files, registry entries, and packages, and it works best in Safe Mode with a system restore point in place before you begin.