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Windows File Copy Error

A concerned man looking at his laptop showing a Windows error message: “An unexpected network error occurred. Error 0x8007003b: An unknown error occurred.” A network folder icon and a red error symbol appear above the laptop, illustrating a file transfer failure.

2026-01-23

Error 0x8007003b on Windows? Fix Network Copy Failures (NAS, SMB, VPN)

Seeing Error 0x8007003b while copying files over a network share? You’re not alone. This error—often shown as “An unexpected […]