.Net error when installing ExpressVPN app

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Some users may encounter the following error when installing the ExpressVPN app for Windows:

Could not load file assembly 'sorttbls.nlp' or one of its dependencies. The system cannot find the file specified.

This is likely caused by an issue with your computer’s .Net Framework: The file (sorttbls.npl) or its dependencies has either gone missing in your system or it has become corrupted.

To resolve this issue, you may need to either repair your computer’s .Net Framework or uninstall and reinstall it. See the instructions below for your operating system.

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Instructions for Windows XP and Vista
Instructions for Windows 7 and 8


Instructions for Windows XP and Vista

Repair .Net Framework for Windows XP and Vista

To perform the .Net Framework repair on Windows XP/Vista, download and run the installer from Microsoft.

Once done, install the ExpressVPN app. Before doing so, please make sure you’ve uninstalled any existing versions of the ExpressVPN app you have on your computer and rebooted your machine to refresh its system cache.

If the problem persists, move on to the next step.

Uninstall and reinstall .Net Framework for Windows XP and Vista

To uninstall and reinstall the .Net Framework on Windows XP and Vista:

  1. Go to Windows Start Menu > Control Panel > Add or Remove Programs.
  2. Select .NET Framework 3.5 and click uninstall.
  3. Restart your computer and run the installer from Microsoft.

Once done, install the ExpressVPN app. Before doing so, please make sure you’ve uninstalled any existing versions of the ExpressVPN app you have on your computer and rebooted your machine to refresh its system cache.

If the problem persists, please contact the ExpressVPN Support Team.

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Instructions for Windows 7 and 8

The .Net Framework should be enabled on your machine. If you have not enabled the .Net Framework yet, see the instructions here. If you have enabled the .Net Framework already, follow the instructions here.

Enable .Net Framework for Windows 7 and 8

To enable the .Net Framework on Windows 7 and 8:

  1. Go to Settings. Choose Control Panel then choose Programs.
  2. In the left panel, click Turn Windows features on or off.
  3. In the newly opened dialog box, look for .NET Framework 3.5 and expand it to view the associated components.
  4. Check every box, including .NET Framework 3.5 (3 boxes in total) and click OK.
  5. Restart your computer.

Once done, install the ExpressVPN app. Before doing so, please make sure you’ve uninstalled any existing versions of the ExpressVPN app you have on your computer and rebooted your machine to refresh its system cache.

If the problem persists, please contact the ExpressVPN Support Team.

Disable and enable .Net Framework for Windows 7 and 8

If .Net Framework 3.5 is already enabled, below are the steps to disable and re-enable it:

  1. Go to Settings. Choose Control Panel and then Programs.
  2. In the left panel, click Turn Windows features on or off.
  3. In the newly opened dialog box, look for .NET Framework 3.5 and expand it to view the associated components.
  4. Uncheck every box, including .NET Framework 3.5 (3 boxes in total) and click OK.
  5. Restart the computer.
  6. Check every box, including .NET Framework 3.5 (3 boxes in total) and click OK.
  7. Restart your computer.

Once done, install the ExpressVPN app. Before doing so, please make sure you’ve uninstalled any existing versions of the ExpressVPN app you have on your computer and rebooted your machine to refresh its system cache.

If you’re still having problems resolving issues with your computer’s .Net Framework, please contact the ExpressVPN Support Team.

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