When I open Outlook:
-My CPU utilization goes to 50%
-When I open a dialog, such as the Tools-Options…, the CPU goes to 0%
-If I open a New Message (like this one) CPU goes to 100%
-If I open a dialog from Tools menu in the New Message, CPU drops to 50%. If I then go to Outlook and open a dialog from the Tools menu in Outlook, CPU goes to 0%
If I close Outlook, CPU goes back to 0%
If I close Outlook and open Word, CPU is 0%
WINWORD is my mail editor in this case. I did try turning Word off as my editor. While the CPU does not bump up to 100% when I open a New Message, it still is at 50% all the time when Outlook is open as above.
I do not think that this condition existed from when built the PC. I just started having the CPU utilization displayed full time, so I can't be 100% sure if this problem always existed or if it started recently. You'd think I'd notice if the CPU is pegged, but it seems foreground apps are not slowed down by this.