Problem: Application.vshost.exe in VS2008 may get corrupted
Source: Microsoft Support RAPID PUBLISHINGRAPID PUBLISHING ARTICLES PROVIDE INFORMATION DIRECTLY FROM WITHIN THE MICROSOFT SUPPORT ORGANIZATION. THE INFORMATION CONTAINED HEREIN IS CREATED IN RESPONSE TO EMERGING OR UNIQUE TOPICS, OR IS INTENDED SUPPLEMENT OTHER KNOWLEDGE BASE INFORMATION. ActionProblem: When debugging a VS 2008 application running on framework 2.0 or 3.5, pressing F5 can case this error message to be thrown: Request for the permission of type ‘system.Security.Permissions.FileIOPermission, mscorlib, version-2.O.O.O, Culture=neutral, PublicKeyToken-b77a5c561934e069’ failed. Even though the application was running from local machine and the project also on local machine with fulltrust. If the application.exe is executed, it works fine. Result When debugging an application in VS 2008 by pressing F5 this error message might be thrown: Request for the permission of type ‘system.Security.Permissions.FileIOPermission, mscorlib, version-2.O.O.O, Culture=neutral, PublicKeyToken-b77a5c561934e069’ failed. CauseThe FileIOPermission exception is thrown due to a corrupted application.vshost.exe file generated from the debugger in the IDE. ResolutionThe issue can be resolved by unchecking the "Enable the Visual Studio hosting process" in the project properties, then rebuild the project and then re-enabling the VS hosting process and rebuilding the project. Project Properties->Debug-> uncheck "Enable the Visual Studio hosting process" More InformationHow to: Disable the Hosting Processhttp://msdn2.microsoft.com/en-us/library/ms185330.aspx (http://msdn2.microsoft.com/en-us/library/ms185330.aspx) Hosting Process (vshost.exe) http://msdn2.microsoft.com/en-us/library/ms185331.aspx (http://msdn2.microsoft.com/en-us/library/ms185331.aspx) DISCLAIMERMICROSOFT AND/OR ITS SUPPLIERS MAKE NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY, RELIABILITY OR ACCURACY OF THE INFORMATION CONTAINED IN THE DOCUMENTS AND RELATED GRAPHICS PUBLISHED ON THIS WEBSITE (THE “MATERIALS”) FOR ANY PURPOSE. THE MATERIALS MAY INCLUDE TECHNICAL INACCURACIES OR TYPOGRAPHICAL ERRORS AND MAY BE REVISED AT ANY TIME WITHOUT NOTICE.
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