Windows 10 (Version 1607) Unable To Install KB3200970
- Check windows update for KB3197954
- Uninstall this update as this is the one that seems to cause the error – Reason: Checking the CBS.log file (located in c:\windows\logs\CBS) showed that Package 7 of KB3197954 was not installed.
- Copy the following file on to a notepad and save the file as “Repair.Bat”
net stop wuauserv
cd %systemroot%\SoftwareDistribution
ren Download Download.old
net start wuauserv
net stop bits
net start bits
net stop cryptsvc
cd %systemroot%\system32
ren catroot2 catroot2old
net start cryptsvc
- Run this Repair.Bat as Administrator
- Check if the c:\windows\system32\catroot2 has been renamed to c:\windows\system32\catroot2old
- Copy “Catroot2” file folder from c:\windows\system32 from a working PC where the updates have been installed successfully.
- Upon completing all the above reboot the PC.
- Post Restart, Check for updates.
- The updates should now download and install successfully.

Duncan is a technology professional with over 20 years experience of working in various IT roles. He has a interest in cyber security, and has a wide range of other skills in radio, electronics and telecommunications.