Have I read the related troubleshooter articles above before posting (which pages?)? YEs
Have I searched the tickets before posting? Yes
Have I read the documentation before posting (which pages?)? Yes
Joomla! version: (2.5.5)
PHP version: (unknown)
MySQL version: (unknown)
Host: (optional, but it helps us help you)
Akeeba Backup version: (3.5.1)
Description of my issue:
Extension manager said the upgrade to 3.5.2 available but when I click update it failed saying could not find manifest file.
Went to Akeeba backup and did the upgrade there and it worked fine.