Have you tried the Terminal commands from the Knowledge Base? http://kb_wp.paragon-software.com/article/151 You can experiment on your 3TB disks...
Some time ago I had a problem with an ExtFS partition that was not unmounting properly, which I resolved then by repairing the partition....
Well, that was embarrassing. I did what I should have done in the first place. After force unmounting the ExtFS partition, I ran Verify Disk in...
On a OS X 10.10.5 system, my ExtFS (v 9.7.109) partition cannot be unmounted, unless forced. When the unmount fails, the following shows up in the...
I remember going through an issue like this a year or two ago. I ended up having to uninstall, locate the file where the registration info was...
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