To open a predefined set of workspaces when you double-click on the MultiCharts icon:
# Right-click on the MultiCharts icon on your desktop;
# Go to Properties;
# Select the Shortcut tab;
# Add workspace locations in quotes to the Target field right after MultiCharts.exe location in the following way: "MultiCharts.exe location" "workspace 1 location","workspace 2 location","workspace 3 location" etc.