I had to update a Windows 7 laptop recently and the process was far from easy, the update process hang at 100% cpu for hours and I had to manually install the monthly update rollout, average people won't do that and just disable the updates.
This wizard should fix it now: https://answers.microsoft.com/en-us/windows/wiki/windows_7-u...
If it wasn't for the WannaCry problem, I wouldn't even have bothered!