vs on Tips to find the Msxml4.dll solution

after I edited the XML file with the software notepad++, I opened the VS compilation project and failed to open the type library file: "Msxml4.dll": no such the error prompt for file or directory. Online said is the Msxml4.dll module is a higher level of msxml6.dll replacement, Msxml4.dll to Msxml6.dll can be replaced.

This is a solution, but if it's a multi-person project, it's not appropriate, and it's impossible for others to change with you. Another way is to download Msxml4.dll on the Internet, send it in the VS installation directory, specifically which folder I did not understand, put a few more folders on the line

finally found to be

VS's IDE folders are down