What are config.js Error Messages?

General config.js Runtime Errors

config.js file errors often occur during the startup phase of Free expert PDF Reader, but can also occur while the program is running. These types JS errors are also known as “runtime errors” because they occur while Free expert PDF Reader is running. Here are some of the most common config.js runtime errors:

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

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

You can uninstall Free expert PDF Reader 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 Free expert PDF Reader 9.0.180 and click "Uninstall"
5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Free expert PDF Reader software.

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

Free expert PDF Reader 9.0.180

Visage software

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many config.js 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 config.js 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 config.js 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 config.js file version. We maintain a comprehensive database of 100% malware-free config.js files for every applicable version of Free expert PDF Reader. 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 config.js Files".
2. Click the appropriate "Download Now" button and download your Windows file version.
3. Copy this file to the appropriate Free expert PDF Reader folder location:
   
   Windows 10: C:\Program Files (x86)\PageBreeze\ck\
   Windows 10: C:\Users\Tester\AppData\Local\Comodo\Dragon\User Data\Default\Extensions\ffjgpapimgnmibnacmeilgjefnoofefp\1.3.0.52_0\
   Windows 10: C:\Program Files (x86)\Calibre2\app\resources\mathjax\jax\output\CommonHTML\
   Windows 10: C:\Program Files (x86)\Calibre2\app\resources\mathjax\jax\input\TeX\
   Windows 10: C:\Program Files (x86)\Calibre2\app\resources\mathjax\jax\input\MathML\
   Show 22 more directories +

   Windows 10: C:\Program Files (x86)\Calibre2\app\resources\mathjax\jax\input\AsciiMath\
   Windows 10: C:\wamp\apps\phpmyadmin4.9.2\js\
   Windows 10: C:\wamp64\apps\phpmyadmin4.8.5\js\
   Windows 10: C:\xampp\phpMyAdmin\js\
   Windows 10: C:\Program Files\Adobe\Adobe Creative Cloud\ACC\resources\legacy\host\legacy\js\
   Windows 10: C:\Program Files\Trend Micro\Titanium\www\Installer.cmpt\resources\js\
   Windows 10: C:\Program Files\Trend Micro\Titanium\www\Installer.cmpt\resources\js\
   Windows 10: C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X Demo\Config\
   Windows 10: C:\Program Files\Adobe\Adobe Photoshop CC 2019\Required\Generator-builtin\lib\
   Windows 10: C:\Program Files (x86)\Adobe\Adobe Creative Cloud\HomePanel\resource\ui\resources\js\
   Windows 10: C:\Program Files (x86)\Adobe\Adobe Creative Cloud\ACC\resource\ui\panels\fonts\resources\js\utils\
   Windows 10: C:\Program Files (x86)\Adobe\Adobe Creative Cloud\ACC\resource\ui\panels\apps\resources\js\utils\
   Windows 10: C:\Program Files (x86)\Adobe\Adobe Creative Cloud\ACC\resource\ui\host\legacy\js\
   Windows 10: C:\Program Files\Adobe\Adobe Creative Cloud\ACC\resources\legacy\host\legacy\js\
   Windows 10: C:\Program Files\Trend Micro\Titanium\www\Installer.cmpt\resources\js\
   Windows 10: C:\Program Files\Adobe\Adobe Creative Cloud\ACC\resources\legacy\host\legacy\js\
   Windows 10: C:\Program Files\Adobe\Adobe Creative Cloud\ACC\resources\legacy\host\legacy\js\
   Windows 10: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\
   Windows 10: C:\Program Files\Adobe\Adobe Creative Cloud\ACC\resources\legacy\host\legacy\js\
   Windows 10: C:\Program Files (x86)\Adobe\Acrobat DC\Acrobat\WebResources\Resource0\static\js\
   Windows 10: C:\Program Files (x86)\Visagesoft\pdfreader\
   Windows 10: C:\Program Files (x86)\AVG\AVG TuneUp\Resources\
   
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.

You are downloading trial software. The purchase of a one-year software subscription at the price of $29.97 USD is required to unlock all software features. Subscription auto-renews at the end of the term (Learn more). By clicking the "Start Download" button above and installing "Software", I acknowledge I have read and agree to the Solvusoft End User License Agreement and Privacy Policy.