That dreaded message: "An unexpected error is keeping you from copying the file." It's frustrating, but don't panic! This common problem has a few potential culprits and relatively simple solutions.
First, **check file permissions.** Make sure you have the necessary rights to access and copy the file. Right-click on the file, go to properties, and check the security tab.
Next, **consider the file size and disk space.** Is the file larger than the available space on your destination drive?
Another potential issue is **file corruption.** Try running a disk check utility (like chkdsk on Windows) to scan for and repair errors.
Finally, **conflicting programs can interfere.** Close any applications that might be using the file, like editing software or previewers.
If none of these work, try restarting your computer. Sometimes, a simple reboot clears up underlying issues preventing the copy. By systematically checking these areas, you can usually resolve that unexpected error and get your file copied successfully!