So, you should use this to delete this cookie WUAUCLT /ResetEulas : Resets the accepted EULA WUAUCLT /SelfUpdateManaged : Scan for windows updates using WSUS WUAUCLT / SelfUpdateUnmanaged : Triggers a windows update scan using the windows update website WUAUCLT /ShowOptions : Open the windows update settings window WUACLT /ShowFeaturedOptInDialog : Show Opt-In dialog for featured updates WUAUCLT /DemoUI : Show the icons for windows update WUAUCLT / ShowFeaturedUpdates : Open windows update dialog and shows the featured updates WUAUCLT /detectnow: Detect and download updates that are available WUAUCLT /ReportNow: Tell the client to report its status back to the WSUS server WUAUCLT /UpdateNow : Install updates now WUAUCLT /ShowSettingsDialog : Show Windows Update settings dialog WUAUCLT /ShowWindowsUpdate: Shows the windows update dialog box or web page WUACLT /ResetAuthorization : when an update check occurs a cookie is stored that prevents a new update or check for 1 hour. The first three (3) are probably the most usedcommands of WUAUCLT. Please find below a list of commands that can be used alongside WUACLT and their explanations below.
Note: (WUAUCLT tool still works very well to date on Windows 2016. This command has been replaced in the most recent versions of Windows OS with the USOclient. WUAUCLT:This refers to the Windows Update Automatic Update Client.