thank you for KB3072630 now i have understand .. all ok .. KB3021674 sorry is error userinit usercazz userprofile .. i have hidden. thank for the news update framework .. in "Services" framework C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe go in automatic (if disable ) whit update framework and big problem when you start xp, indeed for 5 minutes do not show user names in the task manager. so the start is slow .. .. I recommend to manual or disables no in automatic the Microsoft .NET Framework NGEN v4.0.30319_X86 services and net 2 in manual if I removed .NET 1.0 and 1.1 whit cleanup_tool at me not function framework 3.5 . boh