Server Error in '/thumb' Application.

The process cannot access the file 'w:\Temp.web\thumb\04454767.png' because it is being used by another process.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.IO.IOException: The process cannot access the file 'w:\Temp.web\thumb\04454767.png' because it is being used by another process.

Source Error:


Line 178:					LogFile.Log("writefile", FileLen(FilePath), ContentType)
Line 179:					Response.ContentType = ContentType
Line 180:					response.writefile(FilePath)
Line 181:					response.flush
Line 182:					File.Delete(FilePath)

Source File: E:\InetPub\wwwroot\Utils\thumb\Default.aspx.vb Line: 180

Stack Trace:


[IOException: The process cannot access the file 'w:\Temp.web\thumb\04454767.png' because it is being used by another process.]
   System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) +372
   System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost) +776
   System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share) +65
   System.Web.HttpResponse.WriteFile(String filename, Boolean readIntoMemory) +80
   System.Web.HttpResponse.WriteFile(String filename) +19
   _Default.Page_Load(Object sender, EventArgs e) in E:\InetPub\wwwroot\Utils\thumb\Default.aspx.vb:180
   System.Web.UI.Control.OnLoad(EventArgs e) +95
   System.Web.UI.Control.LoadRecursive() +59
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +678

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4108.0