What are PresentationHost.exe.mui Error Messages?

Dynamic Link Library PresentationHost.exe.mui Errors

PresentationHost.exe.mui is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like PresentationHost.exe.mui, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like wuauclt.exe - to follow. These files were created so that multiple programs (eg. PrimoPDF) could share the same PresentationHost.exe.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 PresentationHost.exe.mui is attempted to be loaded either when PrimoPDF is starting up, or in some cases already running. Some of the most common PresentationHost.exe.mui errors include:

• Access Violation at address - PresentationHost.exe.mui.
• PresentationHost.exe.mui could not be found.
• Cannot find C:\Windows\SysWOW64\en-US\PresentationHost.exe.mui.
• Cannot register PresentationHost.exe.mui.
• Cannot start PrimoPDF. A required component is missing: PresentationHost.exe.mui. Please install PrimoPDF again.
• Failed to load PresentationHost.exe.mui.
• The application has failed to start because PresentationHost.exe.mui was not found.
• The file PresentationHost.exe.mui is missing or corrupt.
• This application failed to start because PresentationHost.exe.mui was not found. Re-installing the application may fix this problem.

Your PresentationHost.exe.mui file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with PrimoPDF), or deleted by a malware infection. Furthermore, PresentationHost.exe.mui file corruption could be caused from a power outage when loading PrimoPDF, system crash while loading PresentationHost.exe.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 PresentationHost.exe.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 PresentationHost.exe.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 PresentationHost.exe.mui error, please proceed to the Step 2 below.

You can uninstall PrimoPDF 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 PrimoPDF 5.1.0.2 and click "Uninstall"
5. Follow the prompts for uninstallation.

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

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

PrimoPDF 5.1.0.2

Nitro

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many PresentationHost.exe.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 PresentationHost.exe.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 PresentationHost.exe.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 PresentationHost.exe.mui file version. We maintain a comprehensive database of 100% malware-free PresentationHost.exe.mui files for every applicable version of PrimoPDF. 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 PresentationHost.exe.mui Files".
2. Click the appropriate "Download Now" button and download your Windows file version.
3. Copy this file to the appropriate PrimoPDF folder location:
   
   Windows Vista: C:\Windows\SysWOW64\en-US\
   Windows Vista: C:\Windows\System32\en-US\
   Windows 7: C:\Windows\System32\en-US\
   Windows 7: C:\Windows\SysWOW64\en-US\
   Windows 10: C:\Windows\System32\en-US\
   Show 3 more directories +

   Windows 10: C:\Windows\WinSxS\amd64_microsoft-windows-wpfcorecomp.resources_31bf3856ad364e35_10.0.16299.15_en-us_d50024030174a74e\
   Windows 10: C:\Windows\SysWOW64\en-US\
   Windows 10: C:\Windows\WinSxS\x86_microsoft-windows-wpfcorecomp.resources_31bf3856ad364e35_10.0.16299.15_en-us_78e1887f49173618\
   
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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