Also noob here, Not able to update the game folder. get the following errors:

Validating game files... Game files validated, contacting update server...
File "mods\medals\halo3.zip" is missing or an older version.
File "maps\tags.dat" is missing or an older version.
File "eldorado.exe" is missing or an older version.
File "DewritoUpdater.exe" is missing or an older version.
File "dewrito.json" is missing or an older version.
File "locales\zh-TW.pak" is missing or an older version.
File "locales\zh-CN.pak" is missing or an older version.
File "locales\vi.pak" is missing or an older version.
File "locales\uk.pak" is missing or an older version.
File "locales\tr.pak" is missing or an older version.
File "locales\th.pak" is missing or an older version.
File "locales\te.pak" is missing or an older version.
File "locales\ta.pak" is missing or an older version.
File "locales\sw.pak" is missing or an older version.
File "locales\sv.pak" is missing or an older version.
File "locales\sr.pak" is missing or an older version.
File "locales\sl.pak" is missing or an older version.
File "locales\sk.pak" is missing or an older version.
File "locales\ru.pak" is missing or an older version.
File "locales\ro.pak" is missing or an older version.
File "locales\pt-PT.pak" is missing or an older version.
File "locales\pt-BR.pak" is missing or an older version.
File "locales\pl.pak" is missing or an older version.
File "locales\nl.pak" is missing or an older version.
File "locales\nb.pak" is missing or an older version.
File "locales\ms.pak" is missing or an older version.
File "locales\mr.pak" is missing or an older version.
File "locales\ml.pak" is missing or an older version.
File "locales\lv.pak" is missing or an older version.
File "locales\lt.pak" is missing or an older version.
File "locales\ko.pak" is missing or an older version.
File "locales\kn.pak" is missing or an older version.
File "locales\ja.pak" is missing or an older version.
File "locales\it.pak" is missing or an older version.
File "locales\id.pak" is missing or an older version.
File "locales\hu.pak" is missing or an older version.
File "locales\hr.pak" is missing or an older version.
File "locales\hi.pak" is missing or an older version.
File "locales\he.pak" is missing or an older version.
File "locales\gu.pak" is missing or an older version.
File "locales\fr.pak" is missing or an older version.
File "locales\fil.pak" is missing or an older version.
File "locales\fi.pak" is missing or an older version.
File "locales\fa.pak" is missing or an older version.
File "locales\et.pak" is missing or an older version.
File "locales\es.pak" is missing or an older version. File "locales\es-419.pak" is missing or an older version.
File "locales\en-US.pak" is missing or an older version.
File "locales\en-GB.pak" is missing or an older version.
File "locales\el.pak" is missing or an older version.
File "locales\de.pak" is missing or an older version.
File "locales\da.pak" is missing or an older version.
File "locales\cs.pak" is missing or an older version.
File "locales\ca.pak" is missing or an older version.
File "locales\bn.pak" is missing or an older version.
File "locales\bg.pak" is missing or an older version.
File "locales\ar.pak" is missing or an older version.
File "locales\am.pak" is missing or an older version.
File "soundbackends\directsound_win32.dll" is missing or an older version.
File "soundbackends\directsound_win64.dll" is missing or an older version.
File "soundbackends\windowsaudiosession_win32.dll" is missing or an older version.
File "soundbackends\windowsaudiosession_win64.dll" is missing or an older version.
An update is available. (0.4.9.1-71f3906)

At this point I hit "update"

Downloading file "mods\medals\halo3.zip"...
Download for file "mods\medals\halo3.zip" failed.
Error: An exception occurred during a WebClient request.
Error: Could not find a part of the path 'D:\Games\Halo\mods\medals\halo3.zip'.