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
I had exactly the same problem - extremely slow debugging with keyboard (F10 for example). Some symptoms:
So, try to disable LastPass extension if you have it or all extensions and try it.
Edit1 - somebody allready posted this on LastPass forum: http://forums.lastpass.com/viewtopic.php?f=12&t=61029
Edit2 - and here on SO also :) https://stackoverflow.com/a/8186670/1110039