What are countries.data Error Messages?

General countries.data Runtime Errors

countries.data file errors often occur during the startup phase of PL/SQL Developer, but can also occur while the program is running. These types DATA errors are also known as “runtime errors” because they occur while PL/SQL Developer is running. Here are some of the most common countries.data runtime errors:

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

Most DATA errors are due to missing or corrupt files. Your countries.data file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with PL/SQL Developer), or deleted by a malware infection. Furthermore, countries.data file corruption could be caused from a power outage when loading PL/SQL Developer, system crash while loading or saving countries.data, 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 countries.data 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 countries.data 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 countries.data error, please proceed to the Step 2 below.

You can uninstall PL/SQL Developer 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 PL/SQL Developer 10.0.2 and click "Uninstall"
5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall PL/SQL Developer software.

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

PL/SQL Developer 10.0.2

Allround Automations

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many countries.data 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 countries.data 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 countries.data 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 countries.data file version. We maintain a comprehensive database of 100% malware-free countries.data files for every applicable version of PL/SQL Developer. 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 countries.data Files".
2. Click the appropriate "Download Now" button and download your Windows file version.
3. Copy this file to the appropriate PL/SQL Developer folder location:
   
   Windows 10: C:\Program Files (x86)\PLSQL Developer\DataGenerator\DefaultData\
   
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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