Case: Updates in Windows 10 are known to be notoriously difficult to disable. Microsoft have their very good reason for forcing updates on people (ex: the reign of IE6), yet usage cases outside everyday desktop use can be ruined because of changes caused by updates. Such as gpu-mining rigs.
Q: Manual Partitioning During Ubuntu Install – Remaining Free Space Unusable
A: Disk formatted with MBR allows only 4 partitions, thus the space left is marked