Solve the error “unable to perform operation, unexpected error (0x65b)” when inputting powercfg / h off in CMD

Enter powercfg /h off in CMD to shut down virtual memory, but the error “cannot perform operation, unexpected error (0x65b)” has occurred.
solution: enter powercfg-h off at the command prompt (CMD) in administrator mode.
added: powercfg /h on is to open virtual memory.

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