Installation Guide for Windows | ![]() ![]() |
You can receive this error message when you are using the installer to update your licenses -- see Updating a License.
There are two reasons why you received this message:
The license file (license.dat) in the matlabroot\bin\win32 folder is invalid.
You have multiple valid license files in the specified folder (e.g., demo.lic and license.dat).
For more information about License Files that might help you troubleshoot these issues, see Personal License Passwords (PLPs) and License Files.
![]() | Troubleshooting | Problems After Installation | ![]() |
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