What Do HKCR, HKCU, HKLM, HKU, and HKCC Mean? (Registry Root Keys)

Note: To get a better understanding of Windows Registry basics, read this guide. If you’re somewhat familiar with the Windows Registry, you’ve no doubt seen references to HKCR, HKCU, HKLM, HKU, and HKCC. These abbreviations represent the five root keys in the Windows Registry: HKEY_CLASSES_ROOT (HKCR) HKEY_CURRENT_USER (HKCU) HKEY_LOCAL_MACHINE (HKLM) HKEY_USERS (HKU) HKEY_CURRENT_CONFIG (HKCC) You can [...]

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