about 2 years ago - Satoru - Direct link

Write errors on Steam are generally due to your anti-virus locking the file and causing steam to abort the download. You will need to either add whitelisting of the game files to your anti-virus or temporarily disable your anti-virus.

You can also try running steam as an administrator as well

about 2 years ago - FatsharkLev - Direct link

Please try Satoru’s suggestion above, and let us know how you get on!