Wednesday, January 30, 2013

Visual Studio Debugger Slow To Start Up Due To Symbol Loads

Symptom:

Suddenly when you are debugging your application the application startup on your Visual Studio begins to crawl down to 20-30 seconds or even longer, as it starts loading symbols from all over the places for Microsoft's .NET Framework library and GACs etc.

Possible (But May Not Be Exact) Cause:

You or someone in the team have accidentally enabled Symbol loading from All Modules.

Try If Above Applies

Try this to see if it makes any difference.

On your Visual Studio, go to Debug and then Select Option and Settings...

On the left panel go down to where it says Symbols under the Debug section.

Select "Only Specified Modules" and you do not need to specify any modules at all if you are only interested in debugging modules that are in your own project.


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