What are gacutil.exe.config Error Messages?

General gacutil.exe.config Runtime Errors

gacutil.exe.config 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 CONFIG 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 gacutil.exe.config runtime errors:

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

Most CONFIG errors are due to missing or corrupt files. Your gacutil.exe.config 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, gacutil.exe.config file corruption could be caused from a power outage when loading Microsoft Visual Studio 2010 Ultimate, system crash while loading or saving gacutil.exe.config, 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 gacutil.exe.config 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 gacutil.exe.config 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 gacutil.exe.config 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 gacutil.exe.config 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 gacutil.exe.config 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 gacutil.exe.config 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 gacutil.exe.config file version. We maintain a comprehensive database of 100% malware-free gacutil.exe.config 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 gacutil.exe.config 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 Vista: C:\Windows\Microsoft.NET\Framework\v1.1.4322\
   Windows 7: C:\Windows\Microsoft.NET\Framework\v1.1.4322\
   Windows 8: C:\Windows\Microsoft.NET\Framework\v1.1.4322\
   Windows 8.1: C:\Windows\Microsoft.NET\Framework\v1.1.4322\
   Windows 10: C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Bin\NETFX 4.0 Tools\
   Show 4 more directories +

   Windows 10: C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Bin\NETFX 4.0 Tools\x64\
   Windows 10: C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Bin\
   Windows 10: C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\Bin\x64\
   Windows 10: C:\Windows\Microsoft.NET\Framework\v1.1.4322\
   
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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