Installation Guide for Windows | ![]() ![]() |
This section provides answers to some problems commonly encountered during installation.
The installer should start automatically when you insert the MathWorks CD into your CD-ROM drive or when you double-click on the installer file you downloaded from the MathWorks Web site.
If the installer does not start, open a Windows Explorer window, select your CD-ROM drive, and double-click the setup.exe program in the top-level folder.
During installation, you must enter your PLP. If your PLP is invalid, you cannot continue with the installation. Verify that
You entered your PLP in Step 3: Enter Identification and License Information. Do not confuse your License Number with your PLP. A PLP is a series of five-digit numbers, prefixed by a two-digit code, such as:
15-12345-12345-12345-12345
You used the PLP for the version of MATLAB you are trying to install. PLPs are version specific. Do not use an old PLP with a new version of MATLAB.
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 $MATLAB\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.
You can receive this error message when you attempt to perform an installation when an existing MATLAB installation is running. Make sure that you exit from all existing copies of MATLAB before attempting to run the installation procedure.
![]() | Troubleshooting | Problems After Installation | ![]() |
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