Need help. My Passport 4TB says: Warning / Kernel-PnP / 442. What do I need to do?

[Treetrunk]

Device Manager - WD My Passport 2627 USB Device Number Of Events: 3
Information: Kernel-PnP / 410
Information: Kernel-PnP / 400
Warning: Kernel-PnP / 442
How do I get my files back?

[Luigi76]

Same problem. No solution to recover files withour paying. WD provided a new external disk.