Post the hijackthis text file output on here. It will get this thread moved to the appropriate forum.

I would do a run of HiJackThis and see if it finds any strays. Download Trend Micro HijackThis - MajorGeeks Sometimes the old school tools come in really handy.

If you did a rollup install from 7 to 10 on that machine, there are going to be items left over that do not get removed during the upgrade process. A Clean Install is in order after you upgrade to...

Yes they are Microsoft Codecs. A repair install is in order.

Also keep everything together in one post if they are along the same lines.