Operating Systems Error Codes

A Windows update or feature installation could not complete due to a servicing or connectivity requirement.

A Windows network request timed out before it could complete.

Windows could not establish a connection to the required service endpoint.

A Windows operation exceeded its allowed time limit and timed out.

Windows reported an input/output error while reading from or writing to a device.

A required file could not be read because it is corrupted or inconsistent.

A Windows installer or update component reported a fatal error and could not complete the install.

Windows Update determined an update or component does not apply to the current system state.

A Windows upgrade failed and rolled back, commonly when a driver causes a compatibility or stability problem.

A Windows feature update failed due to a prerequisite, compatibility, or download/servicing issue.

A repair or update operation could not locate the required source components.

A generic failure occurred and the system did not expose a specific reason.

A required file could not be located at the expected path.

A required directory or path was missing or not reachable.

An OS access control check blocked the requested operation.

An operation failed because an input value was invalid for the requested action.

A required component or referenced item was not found in the expected state.

A servicing operation failed because required system components were missing or inconsistent.