What are inst_ua.lng Error Messages?

General inst_ua.lng Runtime Errors

inst_ua.lng file errors often occur during the startup phase of Internet Download Manager, but can also occur while the program is running. These types LNG errors are also known as “runtime errors” because they occur while Internet Download Manager is running. Here are some of the most common inst_ua.lng runtime errors:

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

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

You can uninstall Internet Download Manager 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 Internet Download Manager 6.35.5 and click "Uninstall"
5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Internet Download Manager software.

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

Internet Download Manager 6.35.5

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