Problem here is that admin did not revoked old certificate. I cannot delete old directories because I don't know how the admin uses this certificates before.
Yeah, makes sense. An algorithm which is too smart might remove things not meant to be deleted.
But how about the status "error" and a button which shows the contents of the log file? That would be really nice as the error could be identified right out of i-MSCP thus enhancing the usability.
BTW: You don't need to edit the db-entry. After solving problem just switch to /admin/imscp_debugger.php, where you can set status back
Awesome, thanks! Until now, this page has been totally out of focus for me.