Debug Error : No symbols have been loaded for this document.

Many days ago i found very wired issue while debugging and i wasted much time in googling to solve it out and after solved it i found that it was very minor issue.

Issue : I worked on windows service and after install it, i want to debug that windows service so first i attached that service process to debug it using (Ctrl C+P) in visual studio and i got below error message.

Error : “The breakpoint will not currently be hit. No symbols have been loaded for this document.”

Solution : I found many solution from internet but solution works for me is listed below:

Its due to my application made in framework version 4.0 and i was trying to attach process with version below v2.0 so make sure your framework version with Managed code version as its shown below.