*Update*

The problem has been traced to a corrupted data file. The file was replaced on the Ida server yesterday (Jan 13) at 4 PM. However, if you experience the failure then Ida cannot launch to repair itself and you need to run the repair tool available here:

http://www.queensu.ca/its/software/ida/IdaFix20110114.html
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Previous Description (2011-01-13 18:52:29):

On Thursday, January 13, some users reported that Ida (ITServices Desktop Assistant) would not launch and/or the following error message was received:

"ITServices Desktop Assistant has encountered a problem and needs to close."

ITServices is investigating the issue.