- Open the License Center in MATLAB: You can access the License Center by selecting "Help" and then "Licensing" from the MATLAB main menu.
- Deactivate the license: In the License Center, select the "Deactivate" button to deactivate the license. This will remove the license information from your system and allow you to activate it again using the correct username.
- Reactivate the license: After deactivating the license, select the "Activate" button in the License Center. Enter your Activation Key and follow the on-screen instructions to activate the license. Make sure to use the correct username when activating the license.
- Verify the activation: Once you have completed the activation process, you can verify that the license has been activated by checking the License Center in MATLAB. The license should show as "Activated" and the correct username should be listed as the user who activated the license.
How to change username in matlab settings while activating the license?
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unfortunately, i had changed my windows username in matlab settings while activating the license. can you please tell me how to solve the error-9. how to re-activate my account with the same license
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Dr. JANAK TRIVEDI
2023-2-7
The error 9 in MATLAB typically occurs when there is a mismatch between the username used to activate the license and the current username on your system. To resolve this issue, you need to update your license information in MATLAB to reflect the new username. Here are the steps to do this:
If you continue to have difficulty resolving the error 9, you can contact MathWorks Technical Support for assistance. They will be able to assist you in resolving the issue and reactivating your license.
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