Windows defender replacing Microsoft Security Essentials during update from W7 to W10 on one machine but not the other

Question

I have 2 HP laptops. Both are W7 machines. When updating from W7 to W10, MSE was replaced by Windows Defender on one machine yet MSE on the other has not been replaced during the update. I have been trying to uninstalled MSE but Microsoft wouldn't allow the uninstall of MSE.

Windows Defender and MSE do not automatically updated on both laptops after the installation of W10.

Any help on this issue is greatly appreciated.

NOTE: I had to select Windows Versions as Windows 7 because there is no Widows 10 in the drop down box.

Answer 1

With regard to your MSE problem on one of your machines:

Microsoft knows about this issue since various weeks. Microsoft employee CJ. Eichholz (MSFT)

for example posted a possible solution 12 days ago or so. Many users replied and said that this solution does not work. Since then we have not heard anything back from Microsoft.

Some users say that the post](https://answers.microsoft.com/en-us/protect/forum/mse-protect_start/uninstall-security-essentials-for-windows-10/3317fffb-d4e9-49e2-aeae-7b9c4d5f22d3?page=8&msgId=4cf6e0bc-06e1-4dcb-92cf-b3294102cbd2) of [AlexBsAs64

in this thread:  https://answers.microsoft.com/en-us/protect/forum/mse-protect_start/uninstall-security-essentials-for-windows-10/3317fffb-d4e9-49e2-aeae-7b9c4d5f22d3 worked.

I still suggest to roll back  to Win 7, then uninstall MSE and then to do the upgrade to Win 10 again.

Also see reply of Stephen Boots in another thread:

Cheers,

J