Run command in command window: net stop wuauserv

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ILLEGAL ATTEMPT TO ASSOCIATE A COLLECTION WITH TWO OPEN SESSIONS in nHibernate. Session.Evict(object o) can make the object detached, which can solve this problem.

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This problem will happen if you use trigger in one table. Set NOCOUNT ON in trigger will solve the problem,

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The way to solve this problem is to clear all proxy setting in your IE, sorry for the Chinese version, but I’m sure that you know how to arrive this window. Perhaps MS will solve it in the future. You can also refer to this link http://www.liveside.net/2010/06/25/essentials-installer-waitforcatalog-error-workaround/

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1, The first way, most common one. You will not see any Func<> delegation. class Program     {         static void Main(string[] args)         {             string[] videoGames = { "Halo3", "StarCraft2", "Kinect Sports", "Tomb Raider", "Final Fantasy", "Devil May Cry", "Call of Duty" };             var subset = from g in videoGames where g.Length [...]

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