Visual Studio 2010 F10/F11 Stepping Slow, Toolbar Stepping Fine?

Question

I\'m running Visual Studio 2010 with SP1, as well as R# 5.1, and a few other extensions (like PowerCommands and Productivity Power Tools). Somewhere along the lines, my debuggi

Answer 1

In my case it was the Call Stack window (Visual Studio 15.9.13) that caused the lag!

Even when I stepped over a very simple line like ++i; it took around 1-2 seconds until the debugger stepped over to the next line. Closing the Call Stack window or hiding it fixed the lag for me immediately.