Open Device Manager, find "HP Wireless Button Driver" under Human Interface Devices, right-click, and select "Uninstall." Then, run the SP74101EXE again for a clean install.
SP74101 is a "SoftPaq" number. SoftPaqs are self-extracting files used by HP to distribute driver updates, BIOS flashes, and system utilities for their laptops and desktops. sp74101exe updated
Some wireless drivers require the latest BIOS version to function. Check if there is a "System Firmware" update available for your model. Open Device Manager, find "HP Wireless Button Driver"