After running the sen2cor I found below error

s2tbx sen2cor
#1

WindowsError: [Error 5] Access is denied

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#2

The detail of log file is

logging for the main process initialized validating metadata file L2A_CAL_SC_GIPP.xml against scheme metadata file is valid validating metadata file L2A_CAL_AC_GIPP.xml against scheme metadata file is valid validating metadata file L2A_GIPP.xml against scheme metadata file is valid