Thank you for your extra advice but all was OK there.
I have the solution! I was selecting 'Localhost' to get the home page, then selecting my project. When I select 'My Virtual Hosts', then my project, all is well - the project opens. Perhaps you should make the inclusion of WAMPVHOSTSUBMENU as point 4 in your instructions and emphasise the use of the 'My Virtual Hosts' menu, as I always use
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