No one can deny the fact that Windows is the most used operating system, nowadays. 

No one can deny the fact that Windows is the most used operating system, nowadays. The users are usually satisfied with the performance and features of Microsoft Windows but sometimes, they may face issues like while login into Windows(windows error), they may see a flickering screen. It is like Windows background is going black after refresh; it will come back to the normal background, then again back to going black.