When saving data in Sage,an error pops up stating "Windows - Delayed Write Failed"
This error is popping up from Windows, rather then Sage. It may cause corruption to the Sage Data Files.
A common error for "Windows - Delayed Write Failed" is:
Windows - Dalayed Write failed
Windows was unable to save all the data for the file
The data has been lost'
One may refer to the article below for further information into solving this problem.