Thank you for reaching out. I can certainly understand how frustrating this must be. What type of device are you using?
Are your videos saved to your SD card?
How long have you been experiencing these symptoms?
Have you tested out editing your videos in safe mode? If your phone is misbehaving, it's possible that a third-party app is causing the issue. To figure out what app is acting funny, you can use the Safe Mode feature. In Safe Mode, your phone won't run any third-party apps. This allows you to easily identify and remove the app that may be causing the problem. Give this link a try: https://www.samsung.com/us/support/answer/ANS00062983/
Be sure to click " ✓ Accept as Solution" when you find an answer that works for you.
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