The Enhanced Client was working perfectly well for me, and now it has stopped working. I double click the shortcut and nothing happens. When I check my task manager there is a file called "uopatch.bin" in the list, it isn't taking any cpu time, but it is using about 18MB of system ram. I tried uninstalling the client, power cycling my computer and reinstalling, and that didn't help. Is anyone else experiencing a simpilar problem?