This is on Windows 10 pro. I've tried swapping usb cables, installing/unistalling drivers, a different Windows 10 PC. Just not getting any love. It all worked fine last fall. Did a recent Windows 10 update hose me?
The driver events read like there's some kind of conflict between driver versions:
Device USB\VID_0000&PID_0002\5&3871e74e&0&1 was not migrated due to partial or ambiguous match.
Last Device Instance Id: USB\VID_045E&PID_07B2\5&7f9be32&0&3
Class Guid: {36FC9E60-C465-11CF-8056-444553540000}
Location Path:
Migration Rank: 0xF000FFFFFFFFF122
Present: false
Status: 0xC0000719