Easiest way to figure out if LW is blocked: open LW, go to the Options (it's under Tools) and the click Bug Reports.
Click the Bug Rep button then scroll down to the part where it says: "Recieved incoming this session"
If it says true then you're a-ok.
False on the other hand is another story.

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iMac G4 OSX 10.3.9
RAM 256MB
LW 4.10.5 Basic
ADSL anything from 3 to 8Mbps/around 1024kbps

"Raise your can of Beer on high
And seal your fate forever
Our best years have passed us by
The Golden Age Of Leather"
-Blue Öyster Cult-