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UCEERR_BLOCKSFULL
UCEERR_BLOCKSFULL is a Windows User Composition Engine (UCE) HRESULT. It indicates that the composition channel cannot allocate another internal command block for pending rendering work.
What to check for UCEERR_BLOCKSFULL
- Check for excessive UI invalidation, animation, or rendering work that grows faster than it can be processed.
- Profile dispatcher and rendering activity to identify a producer that continuously queues visual updates.
- Reduce unnecessary property changes and batch UI updates where the application design permits it.
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