Sometimes, the battle isn't worth it. The Alcor AU6370 is a 15+ year old design. If you have spent 2 hours troubleshooting driver conflicts on Windows 11:
Before downloading third-party files, let Windows attempt to find the driver.
AU6370.inf or wdfcoinstaller01009.dll included in the package.
: For HP laptops, search for the "Alcorlink Card Reader Driver" under the section of the HP Software and Driver Downloads Troubleshooting "Not Working" Issues