0x80004005

E_FAIL

category: hresult
normalized: 80004005
confirmed: 2026-05-31
lookups: 2
source: https://learn.microsoft.com/openspecs/windows_protocols/ms-erref/0642cb2f-2075-4469-918c-4441e69c548a

HRESULT: unspecified failure. The error Windows returns when nothing more specific applies — and therefore the most-searched HRESULT of all.