On some Windows computers, the WinApp may display an error "WinApp is already running.".  If you continuously see this error on WinApp, you can 1) reboot the computer to reset the WinApp process or 2) uninstall WinApp and re-install the latest version of WinApp.  WinApp versions >= 6.0 has a automated process that corrects this error that sometimes displays on some computers.  The latest WinApp can be downloaded at the client area.