dotTrace 2017.2.1 won't attach to running app
My 64-bit .NET 4.5.2 app is sitting at a breakpoint in VS2013 on Win10. I launch DT, select "Attach to Running App", select the process, and click Run. Two dialogs appear: "Starting profiler" and "Waiting for a managed application to start...". After a couple of minutes, both dialogs close and the main UI reappears with prompt: 
???
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The attach procedure requires some actions on application side and have timeout for whole operation (about 30 sec). It also requires that the application has to be running during the attach procedure. Profiler can't attach while your app is sitting at the breakpoint. Please continue app execution to finish profiler attach.
Of course. This is what happens when you use a tool once a year...you forget obvious things. I'll have to let DT launch my app because the issue I'm troubleshooting occurs during startup. Thanks Anna!