

Not all drives can withstand the test of time. Remove the write-protection or use another disk.” then this is the most likely reason. You can easily test this by trying to copy something onto the drive. If you or another person applied write protection to the drive, you may not be able to format it, leading to the error. In rare cases, even malware can cause this error, especially if it’s on the drive itself. Most of the time, it is either related to poor system configuration, or an issue with your drive. There can be multiple different causes for this error. What causes the “Windows was unable to complete the format” error? “Windows was unable to complete the format” error solution.

