Hi, ITSS,
If the issue is not following the user (and I have to assume that when you say 'logged into a different PC' you mean logged into Windows and then Adagio on a different PC), then it seems to reside with the PC itself. Possibly a memory issue? Are the 2 PCs the same OS and have the same RAM available to them, etc? Same drivers?
You didn't say what the user is doing when the error occurs so more difficult to have other suggestions.
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Regards,
Softrak Tech Support