I am trying to install CiviVolunteer. When I go to extensions I get two errors:

"The CiviCRM public extensions directory at could not be contacted - please check your webserver can make external HTTP requests or contact CiviCRM team on CiviCRM forum."


"Unable to download extension from /single. Error Message: malformed"



2 Answers 2


I don't know if this is related to your download problem, but CiviVolunteer is currently incompatible with CiviCRM versions 4.7.21 and greater.

There is a beta version described here which restores partial functionality.


This sounds like a permissions error; your webserver must have permissions to download files into a designated directory (which you specify in Adminster -> System Settings -> Directories); make sure you select a directory that is writeable; then you can install extensions for your CiviCRM.

Just re-reading your question; the above is part of the puzzle; the other part is that the CiviCRM extensions directory must be available; if that error persists please do report back. Please see here for a description on that error by one of the Core Team members: Error reaching public extensions directory

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