Windows 10: Reactivating Windows 10 after a software update

Recently did a software update on my laptop and it is telling me that I need to activate windows. This is a second hand laptop and I do not have the product key...I am unsure of what to do.

Please help

:)

 

Is it time for Windows 10 already?

Here's a good step by step guide on doing a fresh install.

How to clean install Windows 10 from a USB drive - Software - Feature - HEXUS.net

 

Windows 10 update being enabled.

Anyway , You are luckier than me. My computer was locked directly after updated to Windows 10 . but the solution is easy.

 

Comodo Software users Windows 10 *Important*




"Hi All,
We stronly advise Comodo users not to update to latest MS update KB4022716, which is available for Windows 10 users till they have new fixed version of Comodo internet security products installed.

Affected Products:
- Comodo Internet Security / Comodo Antivirus / Comodo Firewall (Affected versions: v6246 and below)
- Comodo Cloud Antivirus (Affected versions: v533 and below)
- Internet Security Essentials (Affected versions: v81 and below)
- Comodo Secure Shopping (Affected versions: v97 and below)

Possible Problems:
In case you have updated to MS update KB4022716 prior to updating to latest fixed version of Comodo products, following issues may appear:

- Crashing browsers
- May not be able to login to Windows

Resolution:
If you are able to login, you can uninstall Comodo and re-install latest fixed Comodo version. Else you need to go to Windows Safe Mode and uninstall Comodo product or re-store system to state before Comodo product was installed.

In case you want to keep Comodo and pause Windows updates for some time, you may use following steps:
Step - 1: Click on Start icon on Windows
Step - 2: Next click on Settings menu item, it will open "Windows Settings" window
Step - 3: Select "Update & Security" section from there and it will show "Windows Update" section
Step - 4: Click on "Advanced Options" next, there is "Pause Updates" section allowing you to pause Windows updates for next several days

You can find same steps with images here .

Reason:
There are unexpected changes in last MS update KB4022716, which are incompatible with Comodo products."

https://forums.comodo.com/news-anno...ate-kb4022716os-build-15063447-t119928.0.html