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In the CWD: C:\Users\User\AppData\Roaming\.minecraft\ When you launch Minecraft, the launcher spawn the process C:\Program Files (x86)\Minecraft Launcher\runtime\jre-圆4\bin\javaw.exe
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So its difficult to launch it from a comand line for diagnostic porpuses (For example attaching a RenderDoc process to it) Minecraft is intended to be launched by the minecraft launcher to do login stuff, integrity verification, premium status check, etc.
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