Rated 1 out of 5 stars

by Paqid Yirmeyahu Ben-David on March 27, 2014 ·

Version installed on older Firefox still works on Firefox upgraded to 28. But won't install on a new computer running Firefox 28. Failure to install rates zero.

That fixed it. Thanks. back to 5 stars.

This review is for a previous version of the add-on (1.0.5.09.1-signed.1-signed.1-signed). 

by iharz (Developer) on March 27, 2014 ·

fixed in http://hcalendar.blogspot.co.il/2013/12/mozilla-extension-hcalendar-version.html