Home › Forums › Support › Bad Format Error Message This topic has 1 reply, 2 voices, and was last updated 7 years ago by Tom. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts April 16, 2017 at 3:33 am #306492 Jeffrey I get this error message when trying to install my Premium Generate Press add-ons: The package could not be installed. PCLZIP_ERR_BAD_FORMAT (-10) : Unable to find End of Central Dir Record signature April 16, 2017 at 9:04 am #306548 TomLead Developer Lead Developer Strange, can you try re-downloading GP Premium? Make sure you don’t extract it, just save it as the .zip it comes as. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In