If the till machine cannot communicate with the server, Invoicing may disappear from the desktop or display a connection error. If this occurs, please try the following:
Re-create the shortcut to Invoicing by doing the following on the Till:
Step 1: Click Start > Run.
(Newer versions of Windows you can simply hold down the Windows key and press R)
Step 2: In the Run command windows, Type in \\SERVER.
Step 3: A window will appear with the Alphapos folder. Double-Click Alphapos.
Step 4: In the Alphapos folder, Double-Click Aura.
Step 5: Scroll down to Invoicing.exe, then Right-Click > Send to… > Desktop (Create Shortcut)