Why do my breakpoints duplicate in Visual Studio?

Question

I recently started having problems with breakpoints in Visual Studio 2010. When I set a breakpoint and then start debugging, another breakpoint appears on some other line ne

Answer 1

I suspect it is because of mismatched newline endings. I had similar issue - multiple lines were marked as breakpoint location (say, 10 lines). Later I found it was because of only \n or \r present, instead of CRLF sequence.

Use Save-As, select Save With Encoding.. option under Save button in SaveAs dialog box.