An application unhandled exception has raised:

System.UnauthorizedAccessException: Access to the path 'C:\ProgramData\LAVA SoftWorks\icomancer\tracking_database' is denied.
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, Boolean useLongPath, Boolean checkHost)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
at System.IO.StreamWriter.CreateFile(String path, Boolean append, Boolean checkHost)
at System.IO.StreamWriter..ctor(String path, Boolean append, Encoding encoding, Int32 bufferSize, Boolean checkHost)
at System.IO.File.InternalWriteAllText(String path, String contents, Encoding encoding, Boolean checkHost)
at System.IO.File.WriteAllText(String path, String contents)
at Icomancer.Vars.Databases.Save(String SourceXMLfile, XElement& TargetData) in H:\Icomancer\Icomancer\Vars.vb:line 429
at Icomancer.Functions.SetIconToFSobject(String IconFileName, String TargetFSobjectName, IconAssignationTypes AssignationType) in H:\Icomancer\Icomancer\Functions.vb:line 1766
at Icomancer.frmImbuer.btnApply_Click(Object sender, EventArgs e) in H:\Icomancer\Icomancer\frmImbuer.vb:line 217
at System.Windows.Forms.Control.OnClick(EventArgs e)
at System.Windows.Forms.Button.OnClick(EventArgs e)
at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ButtonBase.WndProc(Message& m)
at System.Windows.Forms.Button.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)

Please take a screen shot of this and send it to icomancer_support@lavasoftworks.com so w

System.UnauthorizedAccessException: Access to the path 'C:\ProgramData\LAVA SoftWorks\icomancer\tracking_database' is denied.

This line says it all: Windows User Account Control or your antivirus is not letting icomancer save its own datafile. Please whitelist it or run it as administrator.