Shoutbox

This is what I've got:

vb.net code:

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My.Computer.Registry.CurrentUser.DeleteValue("HKEY_CURRENT_USER\Control Panel\Desktop\testingval\")

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But it's telling me the value doesn't exist, when it clearly does. Why is this? I've tried stripping the HKEY_CURRENT_USER off it, to no avail, it still thinks the value isn't there. I must be pretty blind to see through it; what am I doing wrong?

Thanks in advance =)