Visual Studio debugging/loading very slow

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Here is how I solved the “slow symbol loading” problem in Visual Studio 2012:

  • Go to Tools -> Options -> Debugging -> General

  • CHECK the checkmark next to “Enable Just My Code”.

  • Go to Tools -> Options -> Debugging -> Symbols

  • Click on the “…” button and create/select a new folder somewhere on your local computer to store cached symbols. I named mine “Symbol caching” and put it in Documents -> Visual Studio 2012.

  • Click on “Load all symbols” and wait for the symbols to be downloaded from Microsoft’s servers, which may take a while. Note that Load all symbols button is only available while debugging.

  • UNCHECK the checkmark next to “Microsoft Symbol Servers” to prevent Visual Studio from remotely querying the Microsoft servers.

  • Click “OK”.

From now on, symbol loading should be much faster.

Note that if you make any changes/downloads to Microsoft assemblies, you may need to go back into the Symbols dialog box and “Load all symbols” again.

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