Windows Defender and other antivirus software can be why Word won’t save your document. This is because it has a built-in folder protection feature; if this feature is enabled, you won’t be able to save files into specific directories. To fix this problem, it’s advised that you disab...
I know this issue for quite some time, never posted about it; normally just save on Home or Root folder (which also means selecting an entry on the left sidebar in the save directory; never needed to reboot); also can't promise whether my approach is a permanent fix. Perhaps I simply ...