id summary reporter owner description type status component version resolution keywords cc guest host 18345 Read-only flag of shared folders: not handled properly under Windows Host Linux Guest => Fixed in SVN Gang Liang "It is a known issue for Windows that read-only bit for directory has special meanings: it does not really mean read-only. Please see below for the KB article on this subject: [https://support.microsoft.com/en-gb/help/326549]. Basically, read-only for a directory under Windows is ignored by Windows, and only used by File Explorer as a flag such that ''desktop.ini'' file will be used for folder customization. For instance, user '''Documents''' directory is read-only by default, yet users have no problem to modify files in it. This applies to Windows 10 as well. Currently, Virtualbox takes the face value of the read-only bit of shared folders under Windows Host, yet it is not the correct interpretation of read-only bit for Windows directories. A quick search will find many reports of VBox shared folder read-only issues. Many time, users would like to access Documents, Download under Linux Host. Yet, these special folders would have strange behaviors under the guest. I believe OS X guest suffers from the same issue." defect closed shared folders VirtualBox 6.0.2 fixed read-only Linux Windows