Hardware list is showing Empty on Point of sale

Problem:

On Point of Sale Hardware List is showing Empty.

Issue Details :

Hardware list is showing Empty on Point of sale. checked all details are correct.

We checked in Hardware Service Log File. we found below errorERROR - An attempt was made to load an assembly from a network location which would have caused the assembly to be sandboxed in previous versions of the .NET Framework. This release of the .NET Framework does not enable CAS policy by default, so this load may be dangerous. If this load is not intended to sandbox the assembly, please enable the loadFromRemoteSources switch. See http://go.microsoft.com/fwlink/?LinkId=155569 for more information.

System.NotSupportedException: An attempt was made to load an assembly from a network location which would have caused the assembly to be sandboxed in previous versions of the .NET Framework. This release of the .NET Framework does not enable CAS policy by default, so this load may be dangerous. If this load is not intended to sandbox the assembly, please enable the loadFromRemoteSources switch. See http://go.microsoft.com/fwlink/?LinkId=155569 for more information.

at System.Reflection.RuntimeAssembly.nLoadFile(String path, Evidence evidence)

at System.Reflection.Assembly.LoadFile(String path)

at CXS.Hardware.OPOS.Service.DeviceManager.GetDevice

Solution :

We need to check if Check all files in Hardware Service Installed folder and check if any file is Blocked. using below steps.

Right click on the file -> Properties -> Unblock check box is there.

UN Block The same using below steps.

right click on the file -> Properties -> click Unblock -> Apply -> OK

After applying above reported issue will be resolved.

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