0x80004005 Unspecified Error (Windows)

In short: Windows reports an unspecified error (E_FAIL).

In more detail: It occurs with updates, file operations, virtual machines and network shares.

In Depth

Possible causes

• Blocking by security software.
• Damaged files or archives.
• Virtualisation not active.

Solutions

1. Restart and try again.
2. Check antivirus and firewall.
3. Repair system files (sfc, DISM).
4. For VMs enable virtualisation in the UEFI.

See also: Windows, UEFI