Seems that WebRoot is causing a severe performance issue for MT on startup. May have just started recently. I tried installing on a test machine, but was unable to recreate the issue.
Only way I know right now to get around it is to disable Realtime Shield in Webroot before starting MT, then start MT, then when it fully loads, you can re-enable Realtime Shield.
we contacted WebRoot and they sent us instructions on how to get the needed logs to them. If you are using WebRoot and are seeing the performance problem, PLEASE email us at support@medvedtrader.com and we will get you the instructions. That way, WebRoot can get the issue resolved.
Thanks