If your USB flash drive is not copying files, format your file type to NTFS. However, you may also need to gain administrator permission to fix the issue.

Fix USB drive showing up as 2 Drives on PC. ... USB Flash Drive Showing 0 Bytes in Windows. ... Best Free AI Mind Mapping Software for Visual Thinkers. July 8, 2025.

As it happens, Microsoft has a fix for the problem of unrecognized USB flash drives (and other external drives), which is most likely the result of “corrupted or incorrect keys in the registry.” ...

How to fix the CrowdStrike bug with a USB drive. In a post to its website Saturday, Microsoft released a file for USB drives that can quickly and near-automatically fix downed PCs.