Let us start with the general troubleshooting methods mentioned in the article below.Įrror message when you install a Microsoft game or mapping program Please do not worry we will work together to try resolve the issue as soon as possible. That your hard disk is not full and that the file is not in use.”Please correct me I have misunderstood. From your problem description I understand that youĪre unable to install Zoo Tycoon 2 in your computer and while doing so you get an Error message: “ Zoo Tycoon 2 Setup encountered a disk error while writing to the file C:/Program Files (x86)/Microsoft Games/ Zoo Tycoon 2/entities.z2f. Thank you for writing to Microsoft Communities.