# Error 1001 During Install

During installation of the Keyfax Administrator Tools you may see the following error message...

```
Error 1001. DataContractSerializer config section under System.Runtime.Serilization section group could not be loaded. Verify the machine.config is correctly set up
```

This issue can be caused if the .NET framework is not correctly installed on the machine your attempting to install the Keyfax Administrator Tools upon.\
\
We would suggest you ensure the .NET 4.0 Framework is correctly installed and also ensure the .NET 4.8 runtime is installed. Unfortunately Omfax cannot support incorrectly configured operating systems. We would advise you reinstall .NET 4.8 on the target machine by following the steps provided by Microsoft. Further information can be found here <https://docs.microsoft.com/en-us/dotnet/framework/install/>


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