All are the same as 'System Internals', plus the core code used to create this program with detailed explanations. (C#, partly C & Assembly)
It is a programs that made to explore the inside of a computer system and study.
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Run as administrator.
Recommended to set the windows registry value 'EnableLUA' to '0'
You can easily change that value by running System Internals as administrator and typing 'lua off' in the command line.
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https://1drv.ms/w/s!AsdnPgMzMXPug0ftG_gCizSwSDke?e=TRiHTA
(app overview)