tag

#registry

2 posts

WindowsFix April 4, 2026 3 min read

Fixing 'The User Profile Service Failed the Logon' on Windows

Windows won't let you log in and shows this specific error — almost always a corrupted user profile registry entry, with a fix that doesn't require deleting your files.

#fix#user-profile#registry

WindowsDeep Dive January 11, 2026 3 min read

Windows Registry Internals: Hives, Keys, and How Settings Actually Persist

How the registry's hive files, keys, and value types work under the hood, and the tools to inspect and edit them safely.

#registry#windows