The Turnitin.com service is not working correctly due to a problem with their Canadian servers. All Canadian Universities are affected. Turnitin believes the problem should be fixed by 9:00 PM early this weekend.
[Updated 10 AM, Friday March 11 with a new estimate from Turnitin of when the problem will be fixed.]
[Update Turnitin Issue Update – March 17, 2011.]
The Turnitin service is working normally, however, a small number of users may still continue to experience problems accessing previously submitted papers or generating originality reports for those papers. Turnitin is working on resolving the issue.