Readers attempting to download Microsoft's new (http://www.theregister.co.uk/2006/05/09/microsoft_messenger_beta/) Windows Live Messenger Beta should be aware that they may not find themselves instantly enjoying the benefits of VoIP telephony, but rather caught in a brain-rattling paradox feedback loop, as reader Graham Smart discovered:

Try not to think too hard about it, since mental trauma will most certainly result. As Graham put it before he succumbed to synaptic collapse: "Basically the NEW MSN installer wants you to close the MSN installer to install the MSN installer that wants you to close the MSN installer that installs the MSN inst……" ®

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