I cant create a C++ project in Unreal Engine 4.27.1

When ever i try go create a c++ project using unreal engine it shows me some errors that my side by side configuration is incorrect, after checking the event log it shows me this error : Activation context generation failed for “E:\Personal\Applications\UE\UE_4.27\Engine\Binaries\DotNET\UnrealBuildTool.exe”.Error in manifest or policy file “E:\Personal\Applications\UE\UE_4.27\Engine\Binaries\DotNET\UnrealBuildTool.exe.Config” on line 0. Invalid Xml syntax. I have tried many solutions from the internet but it is not working. Can anybody please help me. thank you all.