D-LInk Problems

Avoid using the DLink Utility. Use only the drivers and let the windows manage all the net.
In order to do so, uninstall everything about DLink. Do the opposite of what they say: istall the card first. Look for the yellow "?" on / control panel / system / hardware and install it manually by telling to windows where the driver is.
I posted a text in another Forum, about drivers. Maybe it helps:
First of all: D-Link simply mistreated all the costumers who bought version Cx.
The best thing to do:
1- Get the latest drivers from Australia site - www.dlink.com.au - (look for SUPPORT and not "quick find").
2- Specially for Win XP-SP3, try the USA site; you will need to follow this path because the update file is very hidden on the site: click support / FAQ / search for "G510 SP3" and see the answer for the only question that is there (so far); download the newest driver for SP3; this driver has no installer; you will have to use it as an update if you have already a driver installed (click "properties" and "update driver" on the device located at control panel / system / hardware); if you have no driver already istalled, you will have to do the opposite of DLink directions: install phisically the card before installing driver, click start / control panel / system / hardware and search for a "?" sign, click on it and provide it the downloaded driver.
Good luck!!