Suppose the copied files or folders are larger than 4GB, and you are striving to copy them to a FAT32 partition. This is the most common reason behind the error.
Same is the case with the unspecified error of copying files or folder catastrophic failure you need to know all the possible reasons behind this problematic situation to tackle it in the future 1. If you are not aware of the causes of any problem, you certainly can't solve it properly. Part 1: Possible causes of unspecified error in Windows
The computer gave an error "Error copying files or folder" that meant that I couldn't paste the files. Yesterday, I was trying to copy some files of 3GB to the F: drive but was unable to do it. There are saved emails that include my challan forms, admit cards and syllabus of university.
The files are very significant to me as they attain university assignments and office work details. "I have a vast number of files saved on my computer. Q: How to fix unspecified error when copying a file or folder in windows 10?