# Could Not Load File Or Assembly Error in Hyper-V
## Error
When trying to use the 'Quick Create…' option in [[Hyper-V]], this error can appear.
> [!error]
> Could not load file or assembly `Newtonsoft.Json`, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed' or one of its dependencies.
>
> The located assembly's manifest definition does not
> match the assembly reference. (Exception from HRESULT:
> 0x80131040)
## Fix(es)
Create a file, `VMCreate.exe.config`, in: `C:\Program Files\Hyper-V` with the following contents:
```xml
<configuration>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
<bindingRedirect oldVersion="0.0.0.0-12.0.0.0" newVersion="13.0.0.0" />
</dependentAssembly>
</assemblyBinding>
</runtime>
</configuration>
```
## More Information:
[Microsoft Forum](https://learn.microsoft.com/en-us/answers/questions/2153742/hyper-v-manager-quick-create-fails-with-cannot-loa)
[Reddit](https://www.reddit.com/r/HyperV/comments/1he54pv/error_message_when_launching_hyperv_quick_create/?utm_source=share&utm_medium=web3x&utm_name=web3xcss&utm_term=1&utm_content=share_button)
#hyper-v #vm