Please help !!

[paul123]

Please bear with me as I am a bit of a computer nerd.. I am trying to connect my second computer running windows XP to run Plan G to network with my main computer running FSX with Windows 7. I have tried to follow the tutorial.I have installed Plan G on my second computer. When I click on Build Navigation database/settings/FSX Program browse/My Network Places/ E on Paul-pc (where FSX is installed) I get an error message  " Paul-pc\e is not accessible. You might not have permission to use this system resource. I assume that because the second computer can see my primary computer that they are networked OK.
Can anyone please help ?
On a side note I read somewhere about simconnect put I cannot fathom out if this would help. I do not have the paid version on FSUIPC either.
Many thanks.

[paul123]

Sorted, "everyone" had to be added to users.