Many users reported that they were blocked by a blue screen during the process of upgrading Windows 7 or Windows 8.1 to Windows 10 and their PC was set to the original state. Quickly Fix: Windows 10 Blue Screen of Death after Upgrade Then, let's start fixing blue screen issue of Windows 10. In addition, it is also the first step if you have to reinstall Windows.
Install incompatible Windows update or program.
it starts with only the most important drivers and services loaded). On the log in screen enter your password and Windows will start in safe mode (i.e. Then select one of the "Safe Mode" options and press Enter. Restart your computer and keep pressing F8 until you get to the Windows 7 Advance Boot Options screen. So in order to solve the problem, you should find the problematic software first. In my case it was my antivirus software, maybe an update messed it up. There are many reasons that may lead to the unpleasant situation of you computer freezing on the Welcome screem, but the most probable reason is a third party software and/or service that runs with Windows. If when you start your computer that is running Windows 7 or Windows Server 2008, the log on process hangs up at the Welcome screen with the blue swirl continuing indefinitely, then read on, I will show you how to solve this problem.