Your problems are not related to the theme. Posting them in bug reports and making it look like a problem with the theme is not correct.
Download the plugin to your desktop, extract and upload it via ftp.1. Keywordluv plugin shows error Incompatible Archive. PCLZIP_ERR_BAD_FORMAT (-10) : Unable to find End of Central Dir Record signatureAsk the plugin developer.2. I am using W3 Total Cache plugin. If I enable minify settings I get feedvalidation errors and the result is comluv plugins does not work properly, comments are not shown on pages.