dear all ,
I'm working on windows 10 visual studio 2019 and upgraded from VS 2008 after upgrade Ive added to config file
<startup useLegacyV2RuntimeActivationPolicy="true">
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>
</startup> it worked well on my pc but with every build soluion i need to put it back
when i tried to run it on clients it wont work
so i moved on with the steps of below
now its working and giving me
type file is not defined !!!
please I need help 