CODEWITHSUNDEEP
windowsdelphiwinapicomwindows-update
forsajt
forsajt

Reputation: 897

WUA API unable to uninstall updates

I have encountered an issue when using Windows Update Agent (WUA) API.

Whenever I try to uninstall an update using IUpdateInstaller.IsForced := True; IUpdateInstaller.BeginUninstall(... i'm getting WU_E_UNINSTALL_NOT_ALLOWED (The update could not be uninstalled because the request did not originate from a WSUS server). Does it mean that I can't use WUA API to uninstall updates? In that case, why are BeginUninstall/Uninstall methods there?

Upvotes: 2

Views: 984

Answers (1)

Harry Johnston
Harry Johnston

Reputation: 36318

According to Hey, Scripting Guy! How Can I Remove a Microsoft Update? (and also here) the WUA API can only be used to uninstall updates that were installed by a WSUS server.

You might be able to use DISM instead, e.g., see here and here. (Note that Windows updates are refered to as "packages" in DISM terminology.)

Upvotes: 1

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