I have a video project on the timeline. I have a clip which needs color correction. I add the Vegas Color Corrector to the clip, but nothing happens to the color of the video. After additional experimenting I found that none of the FX filters cause a change to the video. This includes the Vegas filers as well as the BCC and NewBlue filters. Everything worked about a month ago. I reinstalled Vegas 21, but that didn't make any difference. I have a feeling that I inadvertently "flipped a switch" somewhere or something like that. All the audio filters work fine. The VST Effects paths (Preferences) all look OK. I have been using Vegas Pro since version 3 or 4, and have never seen this issue. Does anyone have any ideas about this? Thanks in advance!