Webpage error--what is it and how do I fix it?

My version of Lectora is the Enterprise Edition 2007 (with the latest updates). I try to access my online trainings but keep getting this error:

Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; GTB6.5; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET4.0C)

Timestamp: Thu, 27 Jan 2011 20:56:13 UTC

Message: System error: -2146697211.

Line: 450

Char: 13

Code: 0

URI: file:///I:/TRANSFER/CAS%20Safety%20Trainings/CAS%20Safety%20Trainings%20(Spanish)/Hematógena_Patógenos/html/trivantis.js

Any help is greatly appreciated.