Hello, it sounds like you encountered an issue while copying files. It can be frustrating when files suddenly disappear. Here are some steps you can take to try and recover your lost files:
1. Check the Recycle Bin or Trash: Sometimes, when you delete or move files, they end up in the Recycle Bin (Windows) or Trash (Mac). You can open the Recycle Bin or Trash and see if your files are there. If they are, you can restore them to their original location.
2. Search for the files: You can use the search function on your computer to look for the files by their name or file type. Sometimes files can get misplaced in different folders, and searching for them can help locate them.
3. Check the original location: Sometimes when you copy files, they may still be in the original location. Double-check the folder from which you were copying the files to see if they are still there.
4. Use data recovery software: If the above steps do not help in locating your files, you can consider using data recovery software. There are various tools available that can help recover lost files from your computer.
Remember to be cautious while using data recovery software and ensure you follow the instructions carefully to avoid any further data loss. If you are unable to recover your files, it's always a good practice to regularly back up your important data to prevent such situations in the future.