On a client’s system I could not get automatic updates to work. They would download but then fail to install.

I cleared the download cache first. Note that this does NOT solve the problem but does clean things up and that makes diagnosis easier.

  • Services / Automatic Updates / Stop
  • Delete the C:\windows\SoftwareDownloads directory
  • Services / Automatic Updates / Start

I then restored the SensLogn registra settings. These were totally absent (Notufy/SensLogn was missing). I have yet to determin what and when these went missing. See the following for details: