Nope, InsaneJester17, never done anything related to LIBUSB.
Maybe it is battery related.
On my opinion. since it occures after some sort of AC power fail, I think that it cause some reboot flags in the BIOS registers to stuck at certain state, until battery voltage supply is reset, clearing the stuck data.
If it will reappear too much I'll consider to replace the battery though. Also having UPS is a good idea, but no budget on it for now.