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10 hex digits would be a weak (40 or 64 bit) WEP key. &nbsp;WEP encryption was broken some years ago and should no longer be used. &nbsp;Modern routers use WPA/WPA2 by default.<br />
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Your Edimax adapter may be obsolete and incapable of WPA. &nbsp;Please check the model number, which should be something like EW followed by four digits.<br />
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WPA was supported in XP only after Service Pack 2. &nbsp;If your XP system does not have SP2 installed, you'll need to install it before proceeding.<br />
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Please check the Edimax model number, and whether your XP system has SP2 installed. &nbsp;Let us know what you discover.
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Hi thanks for the reply<br />
Ok i have checked i have the Windows XP service Pack 3 loaded<br />
<br />
and the adaptor is Mac: 000E2E47DCE2.<br />
&nbsp;i purchased in 2006 so it is really old<br />
<br />
Just as a matter or interest i have taken the base unit downstairs and linked up with an ethernet cable linked straight to the router. The connection is confirming local area connection speed 100.0Mbps
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Unfortunately, the MAC does not help us determine whether the adapter is WPA capable. &nbsp;Please check the model number, which should be something like EW followed by four digits. &nbsp;Alternatively, the FCC ID will also work.
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Ok i have had another look with a magnifying glass and it seems to say EW-7318USg on the adaptor
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Hi Morning,<br />
Sorry i gave up last night with no luck<br />
I have decided i am going to buy a desk Mac i am fed up with my old windows base units without wireless to stressful and time consuming!<br />
<br />
Thanks for all your help and efforts
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EE email requested stale question closure.
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I have just received a new Talk talk broadband router &nbsp;and tried to point my Windows XP old Pc to it as i have always had before via an old Edimax 802.11g Turbo Wireless Lan Hi-Gain USB 2.0 Adaptor. I have messed up the settings after it kept saying that i didn't have the authorising certificate. <br />
After hours of frustration i removed the software driver supplied on a CD and re loaded,<br />
It still does not work it just keep saying that the connectivity is limited or no connectivity and the router connection keeps dropping out.<br />
<br />
When i am asked to put the network key in i try and input the numbers supplied by Talktalk in which is 8 letters/numbers it says that it must be 10 hex<br />
I think it is because the adaptor is not talking to the route correctly<br />
I am ready to throw the whole thing through the window can you help please..................
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I have just received a new Talk talk broadband router  and tried to point my Windows XP old Pc to it as i have always had before via an old Edimax 802.11g Turbo Wireless Lan Hi-Gain USB 2.0 Adaptor. I have messed up the settings after it kept saying that i didn't have the authorising certificate. 
After hours of frustration i removed the software driver supplied on a CD and re loaded,
It still does not work it just keep saying that the connectivity is limited or no connectivity and the router connection keeps dropping out.

When i am asked to put the network key in i try and input the numbers supplied by Talktalk in which is 8 letters/numbers it says that it must be 10 hex
I think it is because the adaptor is not talking to the route correctly
I am ready to throw the whole thing through the window can you help please..................

Connecting a Edimax Wireless Lan Hi-gain 2.0 adaptor to my Windows XP desktop via a new Talktalk router

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