We would like to confirm you that Remo Optimizer software will never prompt users to restart the computer after fixing errors. The restart is only prompted after installation of Windows Update. The Black or Blank screen issue happens only when a Windows Update was not properly installed. Whenever Windows Update prompts you to install update and restart or shutdown, please ensure to install the Update completely. During installation of Windows Updates never Shutdown, Hibernate or Restart your computer forcefully.
Interrupting Windows Update installation would affect the programs in your computer and sometimes it may even give you a “Black Screen”. In case your computer is shutdown during a Windows Update, Windows 8 or 8.1 users get a blank or black screen without any desktop background and the desktop items.
In order to solve this issue you need to restore your computer to an earlier date before the latest Windows Update was installed. Follow the steps below to restore your computer to an earlier date:
Note: Please be aware that the listed applications after "Scan for affected programs", will be removed after restoring the PC to an earlier date. None of your saved files will be affected due to System Restore.
Once after restoring your computer Windows need to be updated again. Make sure to update the computer without any interruptions. If you are using a Laptop do not close the lid until the Windows Update installation completes 100%. As the “Power Options” in your Laptop might forcefully shutdown or hibernate when you close the lid.
Here you can find an article published by Microsoft for the Black Screen issue.