I don't wish to appear pedantic but you mentioned upgrading to version 10.<nothing> -- did you see that there's a version 10.1 update available? IMSI (conveniently) don't mention what changes come with 10.1 and judging by your efforts both here and on the IMSI forums, you've no doubt exhausted all of the obvious things anyhow, but I thought I should point it out just in case.