From v8 KIL http://www.astaro.com/lists/Known_Issues-ASG-V8.txt
ID14503 8.000 Long webadmin sessions on the webadmin dashboard causes memory leak
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Description: When webadmin session's focus is kept on the webadmin
dashboard for an extended amount of time, this will cause
a memory leak until the session is closed.
Workaround:
Fixed in:
I have had this problem twice now. Just use webadmin for normal use and leave it open overnight. Tested win7 64bit FF4. Screenshots attached.
Regards
Bill