3. Urlmon.dll Download - Fix Urlmon.dll Missing Error on Windows
Description: How to register Urlmon.dll? If putting the missing urlmon.dll file into the proper directory doesn’t solve the problem, you’ll have to register it. To do so, copy your DLL file to the C:\Windows\System32 folder, and open a command prompt with admin rights. There, type “regsvr32 urlmon.dll” and press Enter.