Matlab licensing error -9.57.I use my university licence but failed to install this for several times.I activate matlab.But it frequently shows this tab.

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Walter Roberson
Walter Roberson on 26 Mar 2021
Are you administrator of the computer? If so then I recommend deleting
C:\Users\Administrator\AppData\Roaming\MathWorks\MATLAB\R2021a_licenses (and any files there if it is a directory)
C:\Program Files\MATLAB\R2021a\licenses\license_DESKTOP-C681QK4_40981619_R2021a.lic
and then re-activating.
You should probably not activate as Administrator.

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