Uranus is composed largely of hydrogen and helium like the other gas giants. It also has water ice, methane ice and ammonia ice. There are also tiny amounts of carbon monoxide, carbon dioxide and hydrocarbons such as ethane, acetylene, diacetylene and methylacetylene.
Files in the User's \AppData\Roaming\Microsoft\Excel\XLSTART folder get deleted. Question. I have written many macros for our users, and have always distributed them by storing the actual Excel Workbook on the network and then creating a shortcut to this workbook in the user's \AppData\Roaming\Microsoft\Excel\XLSTART folder.
Autostart locations displayed by Autoruns include logon entries, Explorer add-ons, Internet Explorer add-ons including Browser Helper Objects (BHOs), Appinit DLLs, image hijacks, boot execute images, Winlogon notification DLLs, Windows Services and Winsock Layered Service Providers, media codecs, and more.