Solución: Visual Studio XML Editor Package
El Problema Un dia de repente tu Visual Studio al entrar te dice: Package Load Failure Package ‘Visual Studio XML Editor Package’ has failed to load properly ( GUID = {87569308-4813-40A0-9CD0-D7A30838CA3F} ). Please contact package vendor for assistance. Application restart is recommended, due to possible environment corruption. Would you like to disable loading this package [...]
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