Asp.net project Automation server cannot create objects

Strange things happen every year. This year is quite a year. A good project cannot create a project, and a new Asp.net page cannot be added to a created Project!
The error prompt box "The Automation server cannot create objects" indicates that the objects in the webpage need support from scrrun. dll. You can try the following methods:

Start -- run -- regsvr32 scrrun. dll

You do not need to reinstall the operating system or vs.net.
Some scripts require Microsoft's MSXML control to enter. When the default security mode of IE 5 or later is used, the system will prompt whether to accept the MSXML control. If yes, MSXML will be automatically installed on your machine (wait a few minutes ). If the automatic installation fails, you can download and install MSXML 3.0 on your own.
If the 'automation server cannot create object' error still occurs after MSXML 3 is installed, because your machine prohibits all ActiveX methods, you can set the Security Mode of IE to "medium.