Always "Eject" drives properly to avoid truncating files during the write process. 🔍 How to Diagnose the Specific Error To find out exactly what is wrong, you can use these tools:

Right-click and check "Properties." If it is 0KB or significantly smaller than expected, the transfer failed.

This typically indicates a , a codec mismatch , or data corruption . 🛠️ Common Causes and Fixes 1. Character Encoding & File Naming

If the file won't play at all, the "header" (the part that tells the computer how to read the video) might be damaged.

It has a built-in "Fix AVI/MP4" feature that can bypass minor index errors.