Could not load file or assembly 'System.Xml.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' or one of its dependencies.

Symptoms:

When starting the software an error message as below may occur: "System.IO.FileNotFoundException: Could not load file or assembly 'System.Xml.Linq, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' or one of its dependencies. The system cannot find the file specified."

Cause:

The likely causes for this error are:
A Microsoft .NET Framework 3.5 file System.Xml.Linq.dll or files supporting System.Xml.Linq Namespace are missing or corrupted or you do not have Microsoft .NET Framework 3.5 installed on your computer.

Solution:

• Run Windows Update on your computer, ensure that you have not rejected and hidden any Windows Updates. Complete the update process for all Critical and Recommended updates. This links to Microsoft website may help: http://support.microsoft.com/kb/306525
• Download and reinstall Microsoft .Net Framework 3.5 and higher from Microsoft Website.
  http://www.microsoft.com/en-gb/download/details.aspx?id=25150
• Enable .NET Framework 3.5 on Windows 7, Windows 8 or Windows 8.1

If you are using Windows 7, Windows 8 or Windows 8.1:

Check to ensure Microsoft .NET Framework 3.5 has been installed and enabled on your Windows PC. Details of how to enable .NET Framework 3.5 on Windows 8 in Offline Mode are provided on Microsoft website https://docs.microsoft.com/en-us/dotnet/framework/install/dotnet-35-windows-10

If Microsoft .NET Framework 3.5 is already installed and enabled, repair the .NET 3.5 Framework installation.
Click Start - All Programs - Accessories - Command prompt
Right click on command prompt and select 'Run as Administrator'

In the Command Prompt, type: "sfc /scannow" (with the quote marks) System File Checker - SFC - will scan your system and (hopefully) fix some of your system files.

Restart your computer

If the repair does not solve your issue, you may need to uninstall/reinstall all versions of Microsoft .NET on your computer.

You will be able to download most versions of Microsoft .NET from Microsoft website.

Microsoft provide a .NET Framework Repair Tool which can be downloaded from:
http://www.microsoft.com/en-gb/download/details.aspx?id=30135

If you are using Windows XP:

Note: Andica software do not support on Windows XP operating system.

Download Microsoft .NET Framework 3.5 from Microsoft website and reinstall it on your computer.
http://www.microsoft.com/en-gb/download/details.aspx?id=25150

How to repair an existing installation of the.NET Framework:

Details on how to repair an existing installation of the.NET Framework are provided in Microsoft web site:
http://support.microsoft.com/kb/306160

Microsoft provides a .NET Framework Repair Tool which can be downloaded from:
http://www.microsoft.com/en-gb/download/details.aspx?id=30135

Disclaimer: Information provided here is given without any obligations and we will not accept any claims or liabilities for any damages as a result of you relying on the information given here, if in doubt you must consult a qualified system engineer. Any web links provided to third party website are for your reference, we do not have any control on the validity and content on those websites. We do not take any responsibility for you using or relying on them. Copyright to contents remains with the owner of that website.