What are gpu_blacklist.json Error Messages?

General gpu_blacklist.json Runtime Errors

gpu_blacklist.json file errors often occur during the startup phase of Viber for Windows, but can also occur while the program is running. These types JSON errors are also known as “runtime errors” because they occur while Viber for Windows is running. Here are some of the most common gpu_blacklist.json runtime errors:

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

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

You can uninstall Viber for Windows 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 Viber for Windows 11.7.0.64 and click "Uninstall"
5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Viber for Windows software.

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

Viber for Windows 11.7.0.64

Viber Media

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many gpu_blacklist.json 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 gpu_blacklist.json 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 gpu_blacklist.json 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 gpu_blacklist.json file version. We maintain a comprehensive database of 100% malware-free gpu_blacklist.json files for every applicable version of Viber for Windows. 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 gpu_blacklist.json Files".
2. Click the appropriate "Download Now" button and download your Windows file version.
3. Copy this file to the appropriate Viber for Windows folder location:
   
   Windows 10: C:\Users\Tester\AppData\Local\Viber\
   
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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