I have windows 8.1 pro installed. if i try to do an in-place upgrade with 14393.576 (updated with winreducer) everything goes ok. if i reduce the iso and then try the upgrade i get a validation error. i attach a screenshot and my .wccf file.
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![[SOLVED] [EX-100 - v0.9.86.0] [RS1 Build 14393.576] Validation key error Valida10](https://i.servimg.com/u/f37/19/59/50/90/valida10.jpg)
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![[SOLVED] [EX-100 - v0.9.86.0] [RS1 Build 14393.576] Validation key error Valida10](https://i.servimg.com/u/f37/19/59/50/90/valida10.jpg)