Can't update C5 -- directory already exists

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Last night my client tried to update their C5 installation using the in-built updater. He was going from 5.4.2.2 to 5.5.2.1, but when he did, the installer went awry and the site went down. Files were missing from the update/concrete5.5.2.1 folder (including /concrete5/libraries and /concrete5/startup) so I manually uploaded them from a downloaded C5 zip and the site ran fine. Now we want to try the upgrade again, but it won't let us, saying:

The directory /home/theuser/public_html/updates/concrete5.5.2.1 already exists. Perhaps this item has already been installed.

If I rename or move the directory, the site goes down, saying the files can't be found. Is there a way I can force C5 to forget the update files and re-download them?

Grayda
 
ConcreteOwl replied on at Permalink Best Answer Reply
ConcreteOwl
If you think the update files are incomplete or corrupt then one solution would be to overwrite the existing concrete5.5.2.1 package in root/updates/ folder with a fresh unzipped package from here
http://www.concrete5.org/developers/downloads/...
when that is completed you should run this from your web browser,
http://www.YOUR_DOMAIN/index.php/tools/required/upgrade?force=1

Obviously replace YOUR_DOMAIN with your own domain name,
This will force an update to re-run
Other than that, concrete5.5.2.1 is the latest update so if you are running on that package you are "up to date" already.
Grayda replied on at Permalink Reply
Grayda
Thanks for the link. I removed the files from the old folder, uploaded the new files and ran the link for my domain. It worked like a charm and now my client's site is up and running :)