What are lcc64.exe Error Messages?

lcc64.exe Runtime Errors

Runtime errors are MATLAB errors that occur during "runtime". Runtime is pretty self-explanatory; it means that these EXE errors are triggered when lcc64.exe is attempted to be loaded either when MATLAB is starting up, or in some cases already running. Runtime errors are the most common form of EXE error you will encounter using MATLAB.

In most cases, lcc64.exe runtime errors occurring while the program is running will result in the program terminating abnormally. Most of these lcc64.exe error messages mean that MATLAB was either unable to locate this file on startup, or the file is corrupt, resulting in a prematurely-aborted startup process. Generally, MATLAB will be unable to start without resolving these errors.

Finding the source of the lcc64.exe error is key to properly resolving these errors. Although most of these EXE errors affecting lcc64.exe will happen during startup, occasionally you will encounter a runtime error while using MATLAB R2009a. This can occur due to poor programming on behalf of MathWorks, conflicts with other software or 3rd-party plug-ins, or caused by damaged and outdated hardware. Also, these types of lcc64.exe errors can occur if it has been accidentally moved, deleted, or corrupted by a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

How to Fix lcc64.exe Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your lcc64.exe issue. These troubleshooting steps are listed in the recommended order of execution.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

1. Hit the Windows Start button
2. When you see the search box, type "System Restore" and press "ENTER".
3. In the search results, find and click System Restore.
4. Please enter the administrator password (if applicable / prompted).
5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
6. Restore your computer to that backup image.

If the Step 1 fails to resolve the lcc64.exe error, please proceed to the Step 2 below.

You can uninstall MATLAB software by following these instructions (Windows XP, Vista, 7, 8, and 10):

1. Hit the Windows Start button
2. In the search box, type "Uninstall" and press "ENTER".
3. In the search results, find and click "Add or Remove Programs"
4. Find the entry for MATLAB R2009a and click "Uninstall"
5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall MATLAB software.

If this Step 2 fails as well, please proceed to the Step 3 below.

MATLAB R2009a

MathWorks

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many lcc64.exe error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

1. Hit the Windows Start button
2. In the search box, type "Update" and press "ENTER".
3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
4. If updates are available for download, click "Install Updates".
5. After the update is completed, restart your PC.

If Windows Update failed to resolve the lcc64.exe error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

If Those Steps Fail: Download and Replace Your lcc64.exe File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate lcc64.exe file version. We maintain a comprehensive database of 100% malware-free lcc64.exe files for every applicable version of MATLAB. Please follow the steps below to download and properly replace you file:

1. Locate your Windows operating system version in the list of below "Download lcc64.exe Files".
2. Click the appropriate "Download Now" button and download your Windows file version.
3. Copy this file to the appropriate MATLAB folder location:
   
   Windows 10: C:\Program Files\MATLAB\R2019b\sys\lcc64\lcc64\bin\
   
4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.

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