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Different applications may require different versions of the Windows App SDK-These runtimes are side-by-side—so multiple versions coexist.
DDLM (Dynamic Dependency Lifetime Manager) is a key part of the Windows App SDK. Its job is to help modern Windows apps run smoothly by managing the tools and resources they need.
Deleting these can:
Break apps (including Microsoft apps) that depend on them.
You may get runtime errors and have to reinstall app/
They are typically very small in size and don’t affect system performance.