I also have something like this with my FOMM. 29 September 2011 - 04:29:26 Fomm 0.12.6 OS version: Microsoft Windows NT 5.1.2600 Service Pack 3 System.IO.IOException: The requested operation cannot be performed on a file with a user-mapped section open. at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) at 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) at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share) at System.Xml.XmlTextWriter..ctor(String filename, Encoding encoding) at System.Xml.XmlDocument.Save(String filename) at Fomm.Settings.SetString(String name, String value) at Fomm.MainForm.MainForm_FormClosing(Object sender, FormClosingEventArgs e) at System.Windows.Forms.Form.OnFormClosing(FormClosingEventArgs e) at System.Windows.Forms.Form.WmClose(Message& m) at System.Windows.Forms.Form.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
