Thanks! Can you try deactivating Jetpack, download a fresh ZIP file of Jetpack, then upload the Jetpack plugin folder manually via (S)FTP?
http://codex.wordpress.org/Managing_Plugins#Manual_Plugin_Installation
Thanks! Can you try deactivating Jetpack, download a fresh ZIP file of Jetpack, then upload the Jetpack plugin folder manually via (S)FTP?
http://codex.wordpress.org/Managing_Plugins#Manual_Plugin_Installation