hi,
i've had an issue with the lastest version of wampserver. it seems that Apache occasionally will run into a I/O error that beings writing out an error.log file that will take up the rest of your free hard drive space on your WAMP partition. I've seen the WampServer 1.6.5 version of apache completely fill up the rest of my HD space with a 25GB-sized error.log file.
I've been sticking with
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