How to Fix Windows 11 Error 0x800703EE?

Hi,

I’m getting error 0x800703EE when transferring files to a USB/microSD or during Windows updates. I’ve tried enabling Volume Shadow Copy, reinstalling USB controllers, and running SFC/DISM scans, but it’s still not fixed.

Has anyone successfully resolved this error or knows the best way to recover lost files? Any tips would be appreciated!

Tagged: Windows

System/ OS Errors

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Mira Lennox Lennox

Participant

October 14, 2025 at 9:13 am

First, try safely ejecting and reconnecting the USB/microSD, and test a different port—preferably USB 2.0 if available, since Windows sometimes trips on USB 3.0 with large transfers. If it happens during updates, run the Windows Update Troubleshooter and reset the update components (net stop wuauserv → delete C:\Windows\SoftwareDistribution → net start wuauserv). For lost files, avoid writing anything new to the drive, then use a reliable recovery tool like Stellar or Recoverit to scan the device. If the issue persists, check for disk errors via chkdsk /f /r on the affected drive and make sure your antivirus isn’t locking files during transfers—disabling it temporarily often helps.