Change your two-step verification method and settings
Using the Security info page. If your organization provided you with specific steps about how to turn on and manage your two-factor verification, you should follow those instructions first. Otherwise, you can get to your security verification method settings from the Security info page.
Install Windows Vista Service Pack 2 (SP2) - Microsoft Support
Windows Vista Service Pack 2 (SP2) includes all of the updates that have been released since SP1. How to get SP2. The recommended way to get SP2 is to turn on automatic updating in Windows Update in Control Panel, and wait for Windows Vista to notify you that SP2 is ready to install.