Boot camp assistant failure

Wipe the storage and re-partition, re-install macOS, and then restore the backups or use Setup Assistant or Migrarion Assistant to reload your data..

Erase and reinstall macOS - Apple Support

You can certainly ask Apple Support, but I’d expect the erase-and-install is what they’ll either suggest, or will perform.

KiloCharlie1 wrote:

Hello,

I also have similar problem (see my post),

is it possible to help me out?

Wipe the storage and re-partition, re-install macOS, and then restore the backups or use Setup Assistant or Migration Assistant to reload your data, and use whatever Windows uses for backups these days whenever that partition restoration is necessary.

Erase and reinstall macOS - Apple Support

You can certainly ask Apple Support, but I’d expect the erase-and-install is what they’ll either suggest, or will perform.

Partitioning with one platform is mostly reliable, absent a stray write and that write for whatever reason. Partitioning with heterogeneous platforms tends to be rather more fragile, as not all platforms and not all partitioning tools agree with how the partitions should be implemented. (Windows was notorious for stomping on unrecognized file systems with writing a “harmless signature” in years past, and there have been cases of corruptions across various platforms.)

The most seemingly fragile partitioning implementations I’ve ever encountered are also when there are both no backups and critical data, and particularly cases with a YOLO approach toward re-partitioning.

Follow these instructions: https://support.apple.com/guide/bootcamp-assistant/remove-windows-from-your-mac-using-boot-camp-bcmp59c41c31/mac

erase is easiest way, however, when you open partition on APPLE SSD ***GB on disk utility, you can see their is xxxGB of free space, try to delete the partition if it will let you.

Hello,

I also have similar problem (see my post),

is it possible to help me out?