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Visual Studio 2011 BETA - XAML error report problems

In cazul in care lucrati cu Visual Studio 2011 BETA si sa trezici ca build-ul va crapa, desi nici o eroare nu se afiseaza, una din cauze poate sa fie XAML gresit. In unele cazuri, VS nu ne raporteaza ca XAML este gresit si doar in momentul in care MSBUILD ruleaza apare eroarea. Problema este ca aceasta nu este afisata, singurul lucru care se intampla este ca procesul de MSBUILD ramane agata si chiar daca incercam sa il inchidem din task manager, o sa ne trezim ca apare aceiasi problema la urmatorul build.
Mesajul de eroare care se afiseaza nu are nici o legatura cu eroarea reala si ne v-a avertiza ca MSBUILD-ul nu poate sa stearga un assembly deoarece este folosit de un alt proces.
Greseala in XAML pe care eu avuto cand bug-ul s-a reprodus este urmatoarea:
x:Name={Binding Name}
Spor!

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