So, when it tries Installation failed The update could not be found.
In such cases, all of the user’s attempts to update Windows Defender fail and Windows Defender states that the reason behind the failures are “connectivity problems”, even though the computer has a completely healthy internet connection. You can download Reimage Plus by Your computer will now check for any and all available updates.
Fortunately, there are a multitude of different viable solutions for this problem, and the following are the three most effective solutions that you can use to get rid of this issue: If you have been trying to update Windows Defender from the program itself and failing because of “connectivity problems”, the most logical solution for the issue would certainly be trying to update Windows Defender using Windows Update. As soon as the available updates for Windows Defender are detected, they will automatically start being downloaded.
One of the first thing that I normally do after installing Windows is to disable the automatic Windows Update.
Although automatic update is a very convenient way to keep Windows up to date, but I personally do not like Windows or any third party software to automatically do things in background without my knowledge, unless I schedule it to do that.
If the issue is with your computer or a laptop/notebook you should try using the Reimage Plus Software which can scan the repositories and replace corrupt and missing files.