"mac os sierra higher. target volume appears to be invalid" / "i downloaded the mac os sierra higher on my macbook air 2011 and have restarted multiple times. i keep getting a box that reads macos could not be installed on your computer. target volume appears to be invalid."
Apple Software Update error- "Entry...: Apple Support Communities : The procedure entry point ?CreateProductsFromXML@CSUCatalogObject@@QAEXP6AIPAXIIJ@ZOIV?@CStringT@WV?$StrT raitMFC@WV?ChTraitsCRT@W@ATL@@@@@ATL@@@Z could not be located in the dynamic link library SoftwareUpdateFiles.dll