The Windows 10 boot and shared data partitions somehow got encrypted with Bitlocker (and thus are inaccessible from the Win 8.1 install) after a repair shop swapped the motherboard.

IGIS Tech Notes describe workflows and techniques for using geospatial science and technologies in research and extension.

Microsoft has finally managed to resolve a bug related to BitLocker encryption reporting. The issue was first confirmed in October last year, and it has finally been fixed on Windows 11 21H2.