- The installation files are corrupt or incomplete.
- The installation files were downloaded into a folder that contains other files (i.e. not downloaded into a separate folder).
- You are trying to install in a folder where a different MATLAB version is already installed.
- There are one or more non-ASCII characters (e.g. an exclamation point) in the environment variables TEMP and/or TMP
- There are one or more non-ASCII characters (e.g. an exclamation point) in your username.
- Obtain new installation files, and then run the installer again.
- Move the installation files into a separate folder (e.g. C:\matlab_temp), and then run the installer again.
- Verify that you are installing in a folder that does not contain a different MATLAB version.
- Verify that there are no non-ASCII characters in the environment variables TEMP and/or TMP.
- Verify that there are no non-ASCII characters in your username.