While I was installing ArcGIS webadaptorIIS 10.3, an error came up thus: Error 1722: there is a problem with this windows installer package. A program run as part of the setup did not finish as expected. Contact your support personnel or package vendor.

[AdeoyeOyedeji]

Error 1722: there is a problem with this windows installer package.
A program run as part of the setup did not finish as expected.
Contact your support personnel or package vendor. Action
APPHOST_ANONYMOUSAUTH, location: ....\appcmd set config
"DefaultWebsite/arcgis/apps/dashboard-win"
-section:system.webserver/security/authentication/anonymousA...