unabloe to deploy or run or execute any package in a solution

when ever i run or deploy or execute a child package in etl solution it is showing like this

Error1 System.UnauthorizedAccessException: Access to the path 
'F:\EnveconData\Final_ETL\IFSDM2_REPORTSERVER\IFSDM2_REPORTSERVER\bin\Development\IFSDM2_REPORTSERVER.ispac' is denied. 
    at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)     
at System.IO.File.SetAttributes(String path, FileAttributes fileAttributes)     
at Microsoft.DataTransformationServices.Project.DataTransformationsProjectBuilder.IncrementalBuildThroughObj(IOutputWindow outputWindow)     
at Microsoft.DataTransformationServices.Project.DataTransformationsProjectBuilder.BuildIncremental(IOutputWindow outputWindow)00

how to resolve this issue

tsrkreddy