Hi. What is the Windows Registry, and why is it considered so fragile? Please explain how it stores configuration data.
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It’s a configuration database for the Windows OS and the vast array of M$ (and others vendors) settings.
It’s fragile because a single change in the wrong place can cause Windows boot failures, app failures, and generally bad terrible things. Backup first before playing around. If you poke it with a stick, it tends to poke back.
The registry files are stored in %SystemRoot%\System32\config and individual user settings in the %UserProfile%\NTUser.dat.
It’s a whole thing in and of itself, bookshelves of reference material. Here’s a quick explainer from Chuck.
There’s just no way to explain it all simply and easily, it’s a weird arcane hive of magic, gobbledygook, and glitter that’s evolved as long a Windows itself .. there’s plenty of info on YT.
Backup first, and second, before playing with Regedit. Not just your files, a full system image. Really.