[SOLVED] [EX-100 - v2.0.6.0] [RS5 Build 1809.177631] Setup not completing - offlineServicing

So, I can't install Windows 10 because of this error:

Windows could not apply unattend settings during pass [offlineServicing]

I've already looked through the forum and found stuff related to a path that's too long, but I'M using it directly from D:\WinReducer so I doubt that's the issue. Anyone any ideas?

My wccf:

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The culprit was the Windows Update Files Cleanup thing.