What are prefsimexport.h Error Messages?

General prefsimexport.h Runtime Errors

prefsimexport.h file errors often occur during the startup phase of Cinema 4D, but can also occur while the program is running. These types H errors are also known as “runtime errors” because they occur while Cinema 4D is running. Here are some of the most common prefsimexport.h runtime errors:

• prefsimexport.h could not be found.
• prefsimexport.h error.
• prefsimexport.h failed to load.
• Error loading prefsimexport.h.
• Failed to register prefsimexport.h / Cannot register prefsimexport.h.
• Runtime Error - prefsimexport.h.
• The file prefsimexport.h is missing or corrupt.

Most H errors are due to missing or corrupt files. Your prefsimexport.h file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Cinema 4D), or deleted by a malware infection. Furthermore, prefsimexport.h file corruption could be caused from a power outage when loading Cinema 4D, system crash while loading or saving prefsimexport.h, bad sectors on your storage media (usually your primary hard drive), or malware infection. Thus, it’s critical to make sure your anti-virus is kept up-to-date and scanning regularly.

How to Fix prefsimexport.h 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 prefsimexport.h 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 prefsimexport.h error, please proceed to the Step 2 below.

You can uninstall Cinema 4D 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 Cinema 4D R20 and click "Uninstall"
5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Cinema 4D software.

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

Cinema 4D R20

MAXON Computer

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many prefsimexport.h 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 prefsimexport.h 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 prefsimexport.h 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 prefsimexport.h file version. We maintain a comprehensive database of 100% malware-free prefsimexport.h files for every applicable version of Cinema 4D. 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 prefsimexport.h Files".
2. Click the appropriate "Download Now" button and download your Windows file version.
3. Copy this file to the appropriate Cinema 4D folder location:
   
   Windows 10: C:\Program Files\Maxon Cinema 4D R21\resource\modules\xtensions\description\
   
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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