One of the first tasks on my to-do list after buying a new computer with Vista Home Premium edition was setting up Media Center Extender for Xbox 360 along with Transcode 360 to make my Xbox 360 a true multimedia device. Unfortunately the problems started immediately after setting up the Media Center Extender on my PC: MPEG streaming resulted in errors.
There seems to be a problem with updating Windows Defender when using Microsoft Update instead of Windows Update in Windows Vista. The problem becomes apparent when Windows Defender puts up a warning in the system tray that its signatures are not up to date.
Yesterday my TortoiseCVS client just kept performing the command for several minutes without failing until I canceled it. The program responsible turned out to be NOD32 IMON service. In the end I had to exclude the CVSNT executable from the monitoring.