NTFS? Impressive.
That sounds like ntfs worked already if you had an existing non-boot partition.
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Dirty rumour + speculation time: I understand that, to an extent, ReactOS is supported by the Russian government to ensure they have options for running their IT systems in the event of US or NATO-led sanctions which would prohibit service and support from Microsoft corporation. Ordinarily I wouldn't be concerned (geopolitics, yey) but given Putin's current direction... I hope ReactOS is getting suitably security audited...
To be clear, I don't know what Biden is up to but any country big enough sure have secret services making sure their country stays in the game. That's just part of history.
Now, as an individual, I'd be very happy to have a clean OS. But, considering the difficulty/practical impossibility to make my own audit, well, in the end, I have to trust someone...
Security audit won't hurt, for sure.
The project did not receive any serious support from the state institutions of Russia