I am about to install IIS. I opened the Control Panel -----> Add or Remove Programs -----> Click on Add/Remove Windows Components -----> Selected Internet Information Services to add the IIS component. It prompted that "STAXMEM.DLL cannot be copied," but the file clearly exists. After canceling and proceeding to the next step, there were several more similar prompts. Finally, a message popped up saying "Unable to copy one or more files, error code 0x4b8." All I could do was generate an "Internet Information Services" icon, but when I double-clicked it, it showed that the file could not be found.