Each time an element of the DOM changes, the browser will have to recalculate elements and styles and also it might have to re-flow the page. The following is the typical workflow:

Recalculate Style → Layout → Paint

  1. Recalculate Style: changing the DOM causes the browser to recalculate element...

You are in the middle of a SQL Tuning Advisor session and while the engine is analyzing the data the application suddenly stops working returning an error that says:

Tuning process exited unexpectedly (DTAEngine)

Depending on the workload the tool was supposed to analyze, this error could cost t...