During the startup of the Windows operating system, a blue screen or black screen appears along with an error message. Suggestion: Back up Windows Operating SystemĪlthough Microsoft has ended the support of Windows 7 since January 14, 2020, there are still many users running Windows 7 on their PCs since its ease of use and reliability.īut, Windows boot problems always occur no matter which operating system you are using (Windows 7, 8, or 10).