email me so we can try some stuff and then post what we find. even in the worst case scenario, as you said deleting the database files and restarting should unquestionably fix the issue and not result in any of these errors.
you can delete it if its not in use, doesnt matter. it's just a file created by the database engine signifying to any other programs that the clip database is in use.
Page created in 0.05 seconds with 35 queries.