Has anyone else had this issue, and if so how did you resolve it?
I have a cross connection query that connects to an SQL Database, a Workbook, and now I am adding in an Access DB. When I connect to the DB and try to include a table form the this DB Toad crashes. I am at my wits end! I need to get this data source included in order to finish a very time sensitive report.
I'd like to suggest strongly to open a Support ticket if this is a matter that needs to be resolved in a timely manner. Lots of details (e.g. about your workstation environment, TDP version, database version, details about tables, etc.) are missing here, and would take some back and forth iterations to vet out over the Forum.
Unless, of course, one of you TDP users out there have seen a similar issue and have figured out a fix... 
... and care to share... soon...
I would love to if I could figure out where to.