P PeterJ Windows Update Forum Moderator, Security Analyst Staff member Joined Dec 14, 2014 Posts 4,399 Jul 5, 2019 #121 Follow the instructions below. If anything is unclear please ask first. Open compmgmt.msc Navigate on the left side to Disk Management Right-click the recovery / system partition and select change drive letters and paths Map a drive letter Open windows explorer to browse that drive Delete unneeded files to free up space. Remove the drive letter by using compmgmt.msc again. Reboot the machine. Tell me if the above went successful or not.