I installed BitNami Redmine Stack 2.1.2 and I don't see the thumbnail attached images.
OS: Windows 8 and Windows Home Server 2003
Redmine production.log:
Started GET "/redmine/attachments/thumbnail/1" for 127.0.0.1 at Sun Oct 21 21:23:25 +0300 2012
Processing by AttachmentsController#thumbnail as */*
Parameters: {"id"=>"1"}
Current user: user (id=1)
Imagemagick's convert binary (convert) not available
Rendered text template (0.0ms)
Completed 404 Not Found in 72ms (Views: 11.0ms | ActiveRecord: 5.0ms)
Could you help? Thank you.