Solved: Fix for Unknown USB Device (Device Descriptor Request Failed... - HP Support Community - 5973953
![Fix: Windows cannot Load the Device Driver for this Hardware because a Previous Instance of the Device Driver is still in Memory (Code 38) - Appuals.com Fix: Windows cannot Load the Device Driver for this Hardware because a Previous Instance of the Device Driver is still in Memory (Code 38) - Appuals.com](https://appuals.com/wp-content/uploads/2019/02/cannot-load-device-driver-code-38.png)
Fix: Windows cannot Load the Device Driver for this Hardware because a Previous Instance of the Device Driver is still in Memory (Code 38) - Appuals.com
![P Series Troubleshooting - Drive Support Tool USB communications / driver Windows 10 (WIN10) and 7 (WIN7) - Electromechanical Industrial Knowledge Base - Electromechanical - Industrial - Parker Community P Series Troubleshooting - Drive Support Tool USB communications / driver Windows 10 (WIN10) and 7 (WIN7) - Electromechanical Industrial Knowledge Base - Electromechanical - Industrial - Parker Community](https://community.parker.com/resized-image/__size/1170x0/__key/communityserver-wikis-components-files/00-00-00-00-10/Pseries_5F00_USB_5F00_driver.png)