What are ocidl.h Error Messages?

General ocidl.h Runtime Errors

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

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

Most H errors are due to missing or corrupt files. Your ocidl.h file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with C-Free), or deleted by a malware infection. Furthermore, ocidl.h file corruption could be caused from a power outage when loading C-Free, system crash while loading or saving ocidl.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 ocidl.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 ocidl.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 ocidl.h error, please proceed to the Step 2 below.

You can uninstall C-Free 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 C-Free 5.0 Pro and click "Uninstall"
5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall C-Free software.

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

C-Free 5.0 Pro

Program Arts

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many ocidl.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 ocidl.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 ocidl.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 ocidl.h file version. We maintain a comprehensive database of 100% malware-free ocidl.h files for every applicable version of C-Free. 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 ocidl.h Files".
2. Click the appropriate "Download Now" button and download your Windows file version.
3. Copy this file to the appropriate C-Free folder location:
   
   Windows 10: C:\Program Files (x86)\C-Free 5\mingw\include\
   Windows 10: C:\Program Files\MATLAB\R2019b\sys\lcc64\lcc64\include64\
   Windows 10: C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Include\
   Windows 10: C:\Program Files (x86)\Dev-Cpp\MinGW64\x86_64-w64-mingw32\include\
   
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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