When installing oracle12c, the problem of “unable to check whether the specified location is on CFS” appears

This problem occurred after uninstalling Oracle12c.
others said need to modify the host file, restart the works after modification. Then changed the computer name, after reboot easy to use.
In other cases, the installation of Oracle will get stuck. When exiting and reinstalling Oracle, select “New System User”, which is easy to use.

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