IUpdateInstaller::Uninstall method (wuapi.h)

Article
02/22/2024

Starts a synchronous uninstallation of the updates.

Syntax

HRESULT Uninstall(
  [out] IInstallationResult **retval
);

Parameters

[out] retval

An IInstallationResult interface that represents the results of an uninstallation operation for each update that is specified in a request.

Return value

This method returns the following HRESULT values and other COM or Windows

error codes.

Return code	Description
S_OK	An update uninstalled successfully.
WU_E_INSTALL_NOT_ALLOWED	Do not call this method when the installer is installing or removing an update. Call this method only when the IsBusy property of the IUpdateInstaller interface returns VARIANT_FALSE.
WU_E_NO_UPDATE	There are no updates in a collection.

Remarks

This method returns WU_E_NO_UPDATE if the Updates property of IUpdateInstaller is not set. This method also returns WU_E_NO_UPDATE if the Updates property is set to an empty collection.

Requirements

Requirement	Value
Minimum supported client	Windows XP, Windows 2000 Professional with SP3 [desktop apps only]
Minimum supported server	Windows Server 2003, Windows 2000 Server with SP3 [desktop apps only]
Target Platform	Windows
Header	wuapi.h
Library	Wuguid.lib
DLL	Wuapi.dll