We want to limit our testing of MS security patches only to those applications that are impacted by the patch. What tools are there out there to determine what dlls, exes, etc are updated by a given...

WinAmp played the asx audio but the wvx video is not supported by Winamp

Windows Media player 11 will play some audio and video fine, but then I try to play *.asx or *.wvx, I get the video but no audio.

I have reinstalled codecs, WMP 11, drivers, and tried many other...