Your computer will use the troubleshooter tool automatically resolve issues related to Windows Updates. It is a good idea to repeat the process until you are sure there aren't any more critical updates. Want to repair the Windows 10 installation but don’t want to lose apps and precious data? Here is how to repair Windows 10 install without losing programs and files. To give your Win 7 a fresh start, boot from your installation media, wait for the installation files to load and follow the on-screen prompts to install your OS from scratch. The hard drive’s file system may become damaged