What are functiondiscoveryapi.idl Error Messages?

General functiondiscoveryapi.idl Runtime Errors

functiondiscoveryapi.idl file errors often occur during the startup phase of Microsoft Visual Studio 2010 Ultimate, but can also occur while the program is running. These types IDL errors are also known as “runtime errors” because they occur while Microsoft Visual Studio 2010 Ultimate is running. Here are some of the most common functiondiscoveryapi.idl runtime errors:

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

Most IDL errors are due to missing or corrupt files. Your functiondiscoveryapi.idl file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Microsoft Visual Studio 2010 Ultimate), or deleted by a malware infection. Furthermore, functiondiscoveryapi.idl file corruption could be caused from a power outage when loading Microsoft Visual Studio 2010 Ultimate, system crash while loading or saving functiondiscoveryapi.idl, 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 functiondiscoveryapi.idl 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 functiondiscoveryapi.idl 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 functiondiscoveryapi.idl error, please proceed to the Step 2 below.

You can uninstall Microsoft Visual Studio 2010 Ultimate 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 Microsoft Visual Studio 2010 Ultimate 2010 and click "Uninstall"
5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Microsoft Visual Studio 2010 Ultimate software.

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

Microsoft Visual Studio 2010 Ultimate 2010

Microsoft Corporation

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many functiondiscoveryapi.idl 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 functiondiscoveryapi.idl 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 functiondiscoveryapi.idl 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 functiondiscoveryapi.idl file version. We maintain a comprehensive database of 100% malware-free functiondiscoveryapi.idl files for every applicable version of Microsoft Visual Studio 2010 Ultimate. 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 functiondiscoveryapi.idl Files".
2. Click the appropriate "Download Now" button and download your Windows file version.
3. Copy this file to the appropriate Microsoft Visual Studio 2010 Ultimate folder location:
   
   Windows 10: C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\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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