Solution 31531: TI-Nspire™ or TI-SmartView™ Software Activation Returns an Error A21 or A23.
How do I resolve errors A21 or A23 that occur during activation of a TI-Nspire or TI-SmartView Software?
Errors A21 and A23 may occur during a Web Portal activation and
indicate that the web portal information file is invalid or for a
different computer. Web Portal information files (the webportal.acv and
webportal.lic) contain information that is specific to the computer they
are generated on and generated for. If you have received this error,
please retry the Web Portal activation process from the beginning.
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