AntiVir blocking Windows Defender to obtain updates? (Solved)

Hello. My computer has latest version of AntiVir installed, and I found that Windows Defender cannot obtain updates successfully since the install.

I tried to disable AntiVir and let Windows Defender to obtain updates, but it seems it is not working.

Do any of you experience similar problems?

Thanks for reading.

P.S. I have changed to use the default settings in AntiVir:

Previously I put ticks on all items, perhaps this blocked Windows Defender to obtain updates. Now the updates can be obtained.

[ 本帖最後由 GraphiteCube 於 2009-6-4 18:51 編輯 ]