Windows PCs have long had a reputation for being both the workhorse and the headache of the personal computing world. When they run as expected, productivity soars. But when crashes, freezes, or boot failures occur, users are thrust into a world of troubleshooting, forum threads, and, all too often, a sense of helplessness. Microsoft, fully aware of this pain point, has begun the gradual rollout of “quick machine recovery”—a quietly ambitious feature poised to redefine PC self-repair by...