Issue with dir() function in Access VBA since latest windows 10 update - Dir() no longer finds MSO.DLL or FM.DLL and Other references using this function. Although the files exits in the physical folder since the windows 10 update on Thursday I have issues with locating these references using the dir() function. "C:\Program Files (x86)\Microsoft Office\root\VFS\ProgramFilesCommonX86\Microsoft Shared\OFFICE16\MSO.DLL" - Workaround - was to copy the "Missing" DLL's and references to my own database folders and use them from there. ie C:\Temp