Just as an FYI, I found the first path, but not the second; there IS no "AppData\Roaming\NCH Software\Components" under my user name. But we'll see how it goes...
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Okay, here's what happened:
1. Started off fine, until I pulled the clip I wanted onto the track, unlinked the audio and video (I wanted to slow down the video but keep the audio to slide over later), and that's when the video bin went black and then started flashing when I tried to select something.
2. Closed VP, went back in, and the video bin was still flashing (and doing that "blue square" that I made the screen shot of).
3. Repeated the deleting of the Component files (this time there was just one folder, although I noticed an application file under the Video Pad folder with the same name - mp3el2
4. I was going to go back in a try working without doing the unlink (although I've never had problems with that before), but I see another response from you in the e-mail so I'll send this off and see what you have to say!🙂
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The glitch might have something to do with the unlinking process, as when I dragged a speed-changed clip onto the track, unlinked the audio, and deleted it, the video bin went black again! But instead of panicking 🙂 I just continued and added a title (which took me into a different bin), and so far things appear to be working; I'll keep you posted if things come to a grinding halt!