Build error: “The process cannot access the file because it is being used by another process”

Question

I\'ve got a C# webforms app, that until today had been working just swimmingly.

Now today, all of a sudden, every time I try run the app, I get a file l

Answer 1

I have overcome this problem by renaming the locked file (using Windows Explorer). I was not allowed to delete the file, but renaming the locked file works!