I ran into this problem myself a couple of days ago, the only way I could fix it was to install apache version 2.2.9 and php add-version 5.3.1
Both are available in the addons section of the download page at http://www.wampserver.com/en
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PHP : PHP: 'c:/wamp/bin/php/php5.4.3/ext/php_curl.dll' - , . . sxstrace.exe . \r\n Unknown on line 0
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