Error 1001

Can't run the hospitality websetup (Error 1001.An exception occured inthe Onafterinstall event handler of Myinstaller.installer -> Object reference not set to an instance of an object )

Environment 

Hospitality web setup Version is 6.6.1

Problem Description 

Can't run the hospitality websetup (Error 1001.An exception occured inthe Onafterinstall event handler of Myinstaller.installer -> Object reference not set to an instance of an object )

Scenario

IIS  component missing 

Solution

reinstalled IIS component issue sorted out

Open run -> inetmgr

select Default Web Site  and remove 





once removed follow below steps 


Step 1: In Windows 11, navigate to Control Panel > Programs > Programs and Features > Turn Windows features on or off.
Step 2: Expand the Internet Information Services node and make sure the following features are selected.



Step 3: Click OK to install the selected features.

Symptoms

n/A