wˌaɪl ˌæplɪkˈeɪʃən vˌɜːtʃuːəlᵻzˈeɪʃən kæn ɐdɹˈɛs fˈaɪl ænd ɹˈɛdʒɪstɹilˈɛvəl kəmpˌæɾəbˈɪlᵻɾi ˈɪʃuːz bᵻtwˌiːn lˈɛɡəsi ˌæplɪkˈeɪʃənz ænd nˈuːɚɹ ˈɑːpɚɹˌeɪɾɪŋ sˈɪstəmz, ˌæplɪkˈeɪʃənz ðæt dˈoʊnt mˈænɪdʒ ðə hˈiːp kɚɹˈɛktli wɪl nˌɑːt ˈɛksᵻkjˌuːt ˌɔn wˈɪndoʊz vˈɪstə æz ðeɪ stˈɪl ˈæləkˌeɪt mˈɛmɚɹi ɪnðə sˈeɪm wˈeɪ, ɹᵻɡˈɑːɹdləs ʌv wˈɛðɚ ðeɪ ɑːɹ vˈɜːtʃuːəlˌaɪzd.
While application virtualization can address file and Registry-level compatibility issues between legacy applications and newer operating systems, applications that don't manage the heap correctly will not execute on Windows Vista as they still allocate memory in the same way, regardless of whether they are virtualized.