Solution 31392:TI-Nspire™ Family or TI-SmartView™ Family Software Activation Returns an Error C11, C15, C16, C17, or C25.
How do I resolve errors C11, C15, C16, C17, or C25 that occur during activation of a TI-Nspire or TI-SmartView Software?
Errors C11, C15, C16, C17, and C25 indicate that the TI-Nspire or TI-SmartView software cannot load or validate the license file. This can occur due to insufficient permissions, incomplete installation, or hard drive corruption. Try the following steps to resolve the issue:
If you are receiving one of these errors when trying to activate, make sure that you are running from an account with local administrator permissions.
For personal computers, please contact your computer's manufacturer for support on changing user permission levels.
For computers managed by an IT department, please contact your Administrator to receive the appropriate permissions.
Try to repair or reinstall the software.
Verify the computers date and time is set correctly.
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