From time to time Lightroom loses its mind when switching between photos or switching from Library to Develop. See the attached video. This is random and I cannot discern any cause and effect relationship. I use the program every single say and it can happen every day for a couple days, or weeks can go by before it happens again. This was going on before the latest update. I am using Windows 10 Pro 64 bit and latest version of Lightroom. The only way to "fix" the problem is to close Lightroom and relaunch. Clearly not a satisfactory way to work. Well, defeated again. I cannot load the video because I don't have a url or no how to create one for a screen capture video I have stored on my hard drive. If someone emails me with an answer I can then reply and attach the video. This is most frustrating.
Click the video icon in the toolbar to insert a video.
If it's too large to insert, attach it instead.
Clicking on that icon requests a url as I stated. I don't have a url. It's a screen grab video mp4 on my hard drive. And attaching also asks for a url so your suggestions did not solve the problem, but thanks anyway.
Upload the video to a file sharing service (such as DropBox) and use the URL from there.
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If the video is 47 MB or smaller, you can attach it here using the attachment box at the bottom of the reply box:
Thanks! This is very helpful. I don't know how I missed that box.
Try resetting LR's preferences:
LR sometimes soils its preferences file, and resetting it can fix all sorts of wonky behavior. That article explains how to restore the old preferences if resetting doesn't help.