I have an 8GB SD card partitioned as FAT32 & EXT4

Paragon ExtFS in Windows says the EXT4 volume is write protected, but Linux says it is not
(and I can copy files to it on both platforms)
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VERIFY WITH AUTOMATIC REPAIR RETURNS THE FOLLOWING ERROR:
"Verify completed with errors"

e2fsck -y -f /dev/sdd2
Disk write-protected; use the -n option to do a read-only check of the device.
exit_code = 8
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VERIFY IN READ ONLY MODE RETURNS THE FOLLOWING ERROR:

e2fsck -n -f /dev/sdd2
Possibly non-existent device?
exit_code = 8
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- Also in Paragon ExtFS the disk state is shown as "corrupted" but fsck on Linux says it is clean
- Both volumes will mount and can be used in Windows

What is going on ; seems like a software bug