Many people may not want to upgrade their computers to Windows 10, in that case this app will be unnecessary for them and removing the app will be the best option for them as it may download the huge Windows 10 setup files (around 3GB) in future.
To remove KB3035583, first open Windows Update and click “Installed Updates” in the bottom-left corner.
To quickly find KB3035583, you can sort by name. Once you’ve located it, right-click and choose “Uninstall”.
When you select to uninstall this update, you’ll be asked to confirm and then you will need to restart your computer.
Once your computer restarts, the “GWX.exe” and its associated “GWXUX.exe” applications will be removed and the system tray icon and resulting dialog will go away permanently.
If the Icon Returns
Some readers have noted that KB3035583 returns if you don’t hide it. If you have Windows updates set to download and install automatically, this means that if you uninstall this update, it will be reinstalled automatically a few days later.
To hide the KB3035583 update and prevent it from being reinstalled, right-click on it in the Windows Update application and select “Hide Update”.
After, the update’s selection box will be grayed out and cannot be checked. From here on, the update will be hidden whenever you reopen Windows Update unless you decide to restore it.