Check following please.
1. Make sure all files are expanded properly and file sizes are not zero byte.
2. Make sure folder permissions are set correctly such as below.
- Code: Select all
administrator/components - Writable
administrator/language - Writable
administrator/language/en-GB - Writable
administrator/language/overrides - Writable
administrator/manifests/files - Writable
administrator/manifests/libraries - Writable
administrator/manifests/packages - Writable
administrator/modules - Writable
administrator/templates - Writable
components - Writable
images - Writable
images/banners - Writable
images/sampledata - Writable
language - Writable
language/en-GB - Writable
language/overrides - Writable
libraries - Writable
media - Writable
modules - Writable
plugins - Writable
plugins/authentication - Writable
plugins/captcha - Writable
plugins/content - Writable
plugins/editors - Writable
plugins/editors-xtd - Writable
plugins/extension - Writable
plugins/finder - Writable
plugins/quickicon - Writable
plugins/search - Writable
plugins/system - Writable
plugins/user - Writable
templates - Writable
configuration.php - Writable
cache (Cache Directory) - Writable
administrator/cache (Cache Directory) - Writable
/logs (Log directory) - Writable
/tmp (Temp directory) - Writable
See you around...