Slow debugging issue in Visual Studio

You may need to delete all your breakpoints—note that you need to click the “Delete all breakpoints” button (or use Ctrl + Shift + F9), NOT just delete them one by one. If Visual Studio has mangled your solution settings the latter will not work. You may need to add a breakpoint first, in order for this to work (clever, eh?).

If worst comes to worst, you may need to delete your .suo file and let Visual Studio start a new one from scratch. Note that you will lose your personal solution configuration settings, however (only for this solution, not any others). However, you may want to move/rename the file temporarily until you determine whether or not this is the problem; that way, you can always move it back. I have seen some online resources recommend deleting (moving/renaming) the .ncb file as well.

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