I am using Magento 126.96.36.199 version. when i am trying to reinstall or uninstall extension from magento connnect manager. showing this error
Solved! Go to Solution.
When a couple of other people had this problem (https://stackoverflow.com/questions/27290068/magento-connect-manager-giving-no-action-selected-error...) they either found it was:
Could either of those two be at play?