What are startuplang.dll.mui Error Messages?

Dynamic Link Library startuplang.dll.mui Errors

startuplang.dll.mui is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like startuplang.dll.mui, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like MpSigStub.exe - to follow. These files were created so that multiple programs (eg. Windows Live Essentials 2012) could share the same startuplang.dll.mui file, saving valuable memory allocation, therefore making your computer run more efficiently.

Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared MUI file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when startuplang.dll.mui is attempted to be loaded either when Windows Live Essentials 2012 is starting up, or in some cases already running. Some of the most common startuplang.dll.mui errors include:

• Access Violation at address - startuplang.dll.mui.
• startuplang.dll.mui could not be found.
• Cannot find C:\Program Files (x86)\Windows Live\Installer\en\startuplang.dll.mui.
• Cannot register startuplang.dll.mui.
• Cannot start Windows Live Essentials 2012. A required component is missing: startuplang.dll.mui. Please install Windows Live Essentials 2012 again.
• Failed to load startuplang.dll.mui.
• The application has failed to start because startuplang.dll.mui was not found.
• The file startuplang.dll.mui is missing or corrupt.
• This application failed to start because startuplang.dll.mui was not found. Re-installing the application may fix this problem.

Your startuplang.dll.mui file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Windows Live Essentials 2012), or deleted by a malware infection. Furthermore, startuplang.dll.mui file corruption could be caused from a power outage when loading Windows Live Essentials 2012, system crash while loading startuplang.dll.mui, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

How to Fix startuplang.dll.mui 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 startuplang.dll.mui 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 startuplang.dll.mui error, please proceed to the Step 2 below.

You can uninstall Windows Live Essentials 2012 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 Windows Live Essentials 2012 16.4.3528.331 and click "Uninstall"
5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Windows Live Essentials 2012 software.

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

Windows Live Essentials 2012 16.4.3528.331

Microsoft Corporation

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many startuplang.dll.mui 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 startuplang.dll.mui 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 startuplang.dll.mui 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 startuplang.dll.mui file version. We maintain a comprehensive database of 100% malware-free startuplang.dll.mui files for every applicable version of Windows Live Essentials 2012. 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 startuplang.dll.mui Files".
2. Click the appropriate "Download Now" button and download your Windows file version.
3. Copy this file to the appropriate Windows Live Essentials 2012 folder location:
   
   Windows 10: C:\Program Files (x86)\Windows Live\Installer\en\
   
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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