The issue stems from the chaotic transition period of Research In Motion (RIM) into BlackBerry. The PlayBook was the debut of the QNX-based operating system that would eventually save the company (in the form of BlackBerry 10). Because the OS was so new, the bridge between the tablet and the PC—BlackBerry Desktop Software—was finicky.
The Ultimate Guide to BlackBerry PlayBook Drivers for Windows 10: Exclusive Fixes for 2026
The PlayBook has a quirk: it changes its USB profile depending on when you plug it in.
The fix requires diving into Device Manager, selecting the failing device, and manually browsing the legacy driver list to force it to use the driver. It is a manual handshake that modern operating systems have forgotten how to perform.
Even with the driver working, you will not be able to drag and drop files onto the tablet until you turn on legacy network sharing protocols in Windows 10.