Hello guys,
I've just tried with the wccf provided by zuardin and it worked for me (even without internet connection) in a virtualbox.
Could you please try this :
TEST 1:
- Create a new customized ISO without integrating "Net Framework 3.5"
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TEST 2 :
- delete all files in these folders : "...\WinReducerEX100\WORK\INTEGRATE\Framework35\x64" and "...\WinReducerEX100\WORK\INTEGRATE\Framework35\x86"
- Extract an untouched official Windows 10 ISO : this is will automatically copy all necessary "Framework 3.5" files in the correct folders
- create your customized ISO
Please let me know the result