how to solve issue when i any modified code and save in asp.

i have a project which i copied from to another system and saveed in my laptop.

after run my project if i click on submit button so always get a popup like save as file with location but if i run that project my previous

system it is proper working . so asked always want to save code .

and another things when i press f5 always get a same message i cant be able to run my page