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What is Windows File Protection?

April 26, 2017file Windows

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What is Windows File Protection?

1 Answer

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10 Posted

Windows File Protection is a Windows 2000 feature that ensures that operating system files cannot be modified or replaced by older versions. On versions of Windows before Windows 2000, installing software in addition to the operating system could overwrite shared system files such as dynamic link libraries (.dll files) and executable files (.exe files). When system files are overwritten in error, system performance can become unpredictable, programs can behave erratically, and the operating system can fail. In Windows 2000, Windows File Protection prevents the replacement of protected system files such as .sys, .dll, .ocx, .ttf, .fon, and .exe files. If a user or program attempts to replace a protected system file, Windows File Protection restores the correct version from the backup store located in the Dllcache folder or the Windows 2000 CD.