Are you having trouble using Windows? Several users have reported the error '4' that prevents them from using Windows.
On this page, you will find more information about the most common causes and most relevant solutions for the windows error '4'. Do you need help straight away? Visit our support page.
We've created a list of solutions which you can follow if you want to solve this windows problem yourself. Do you need more help? Visit our support page if you need professional support with windows right away.