Good news: I was able to identify the root cause of, and therefore solve, this problem.
As mentioned in an earlier post, we were having this problem with only one of our PCs running 9.10, but not with the others. After a bit of poking around, we noticed that the Internet connection on the PC having this problem was using Comcast's DNS servers, whereas the others were using various other DNS servers. Not expecting much, we changed the DNS servers on that PC to Google's public DNS servers (http://code.google.com/speed/public-dns), and, voilĂ , problem solved. We can reproduce the problem by changing the DNS servers back to Comcast's, so there appears to be something wrong with Comcast's DNS servers. Specifically, it appears that some HTTP requests to google's service are not being correctly directed. Or perhaps it's something worse: it's entirely possible that Comcast's DNS servers may have been hijacked by a third party which is intercepting requests to google...? I don't know, but for safety's sake, we've decided to avoid Comcast's DNS servers here. If you are experiencing this problem, try changing your DNS servers. That solved the problem for us. -- Evolution fails to add google contacts with message "Error adding Contact" other error https://bugs.launchpad.net/bugs/465015 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs